Original: ஹார்ட் பீட்
RK Multispeciality Hospital is a beacon of hope and healing. Its doctors are resilient even when they have to deal with medical and personal challenges.
Five new doctors join RK Hospitals. On the very first day, things go from bad to worse for Reena, making a poor impression on chief doctor Radhi.
Reena and Rocky are tasked to work with Dr Ramanadhan, aka Cinema Doctor. The doctors are in a tizzy when a child ends up with breathing issues that they can't diagnose.
When a surgery becomes problematic, Dr. Ravi freezes during the procedure. Sid leaves a drawing for Radhi inside her laptop, but the busy doctor fails to notice it until Reena helps.
It's not all work for our doctors as senior doctors Ravi and Anitha throw a celebratory party. Amidst drinks and merriment, Arjun and Reena reconnect.
The doctors experience the aftereffects of the party. A bad fall lands RK in the hospital. He meets the new doctors and learns about Arjun's 'love' interest.
Radhi gets furious when Reena voices her doubts about RK's medical condition. A concerned RK confides in Radhi. Dejected, Reena chastises Arjun.
Reena feels disheartened as her colleagues shun her. Rocky apologises to her for RK's case. As she reconciles with Arjun, in the hospital, RK receives alarming news from Radhi.
Radhi gets furious with Reena for treating her son during a medical emergency. Realising her mistake, she tries to make amends with Reena. But a shocking news leaves her shattered.
Reena likes a flat and decides to move in immediately. Arjun learns about his father's condition. Reena sticks to her ground, unnerving Radhi.
Ravi feels troubled during a surgery. Reena shifts to her new house. But what happens when she learns about another doctor in the neighbourhood?
The past refuses to let Arjun forgive RK despite his health condition. Radhi tries to meet Reena but in vain. Rocky 'falls' for Reena, but is she interested?
A criminal who is recuperating tries to escape from the hospital. As the situation gets tense, Reena steps in to handle the offender.
Reena breaks down after an exhaustive day at work. Ravi fulfils Jagan's last wish. An impressed Anitha kisses Ravi, leaving him confused.
Ravi's confrontation leaves Anitha upset. Teju wins an opportunity to assist Radhi in a complicated surgery. However, was Radhi right in her diagnosis?
Reena's first surgery is a success. She reprimands Arjun after discovering the truth about him. Radhi learns about the unknown enemy, a threat to her hospital.
The doctors gather at Reena's house for a party. Some uninvited guests join in to multiply the fun. Rocky tries to woo Reena. But is she interested?
Radhi decides to investigate more about MNM Hospital. Arjun tries to help during an emergency case at the hospital.
Teju learns about the looming threat to the hospital. Reena has to reflect on her abandoned childhood to help a teenager take the right step.
Radhi has to relive her past trauma as she convinces Vinusha's father to forgive his daughter. The interns help Arjun to do the unthinkable.
The unknown enemy has shown his face. But can he win against the spirit of the doctors at RK Hospital?
Madan has a new ally while Arjun starts getting involved in hospital management. Arjun has a squabble with Reena over their relationship.
Teju begins her game as she gives a piece of advice to Arjun. Reena drops an Alzheimer’s patient home and is surprised to learn his identity.
Anitha is shocked when Ravi reveals a secret. When Arjun seeks RK's permission to get involved in the hospital's activities, he feels hopeful about their relationship.
Anitha has a heartbreak. RK seeks a favour from Radhi. Both Radhi and Arjun aim to protect the hospital but are they on the same team?
Amidst internal doubts and external threats, RK Hospital faces a pivotal decision. Will Radhi thwart Arjun's rise to CEO, or will RK's plan secure the hospital's future?
Dev gets caught between defending his children and facing a harsh reality. Amidst personal and professional challenges, Radhi attempts to mentor Arjun as RK Hospital's potential CEO.
As Radhi prepares Arjun for a pivotal task, personal and professional worlds collide as secrets unravel at the hospital, friendships are tested, and unexpected connections emerge.
A furious Anitha seeks revenge. As Radhi juggles Teju's interference, Arjun's revelation leads to a game-changing conference at RK Hospital. Meanwhile, love is in the air.
Arjun rekindles the relationship with his father as they go on a fun outing. Reena's childhood friend pays a surprise visit to the hospital.
Radhi feels defeated as Arjun's pitch gets approved by the board. Dev helps a frustrated Radhi comprehend the situation. Rocky becomes a guest in his dinner plan with Reena.
Radhi acknowledges Arjun's work. Anitha sets clear boundaries for Ravi. As RK opens his heart out to Reena, his compliment shocks her.
Reena confronts RK about his compliment. Arjun gets closure as he gathers the courage to talk to RK about Pallavi. The well-guarded secret of Radhi and Reena starts to crack.
Sarada, the landlady, gets restless and tries to learn about Reena's past. Naveen makes a blunder that would put his career at risk, but Teju takes a drastic step to protect him.
Ravi asks Guna and Rocky for a favour. Sarada invites Dev's family for dinner. While Rocky struggles to convince a patient's family for surgery, things get tense between Guna and Naveen.
Rocky manages to convince the tribals for surgery, but they have a condition. RK uses his experience to save Naveen's patient. Will Naveen get a second chance?
Sarada executes her plan to perfection, making both Radhi and Reena restless. A confused Reena tries to get out of the complex situation.
Radhi and Reena feel overwhelmed when the latter joins Radhi and her family for dinner. Sid and Divi make Reena part of their midnight mischief.
Arjun proposes a celebration for the hospital's 20th anniversary. Anitha decides to talk to Ravi after her chat with Bharathi. Reena gets cornered by the interns about her night out.
The hospital wears a festive look on the day of its anniversary. The doctors turn up in ethnic wear. However, the happiness is short-lived as tragedy strikes RK Hospital.
The hospital mourns the demise of RK. Everybody reminisces their pleasant memories with him. Anitha feels flustered when Ravi opens up about his marriage.
Radhi takes care of Reena when she falls ill. Reena learns about Sarada's lie and confronts her. As Ravi and Anitha are back to being best friends, Bharathi encounters Anitha.
Anitha is irked as Ravi steals her thunder. Radhi orders Naveen to assist Aruna who obliges. As Reena bids goodbye to Radhi's family, Sid's gift makes them emotional.
Reena compels Arjun to go out with her to help get him out of mourning. Anitha's frustration grows as Ravi gets credit for her hard work.
Arjun comes back to the hospital and announces his arrival with a speech. The power dynamic gets interesting as Radhi approves Ramanathan's request despite Arjun rejecting it.
Sid and Divi ask Reena for a favour. Laya bids goodbye to Rocky. When Arjun confronts Radhi for overruling him, she firmly states that he is not the CEO of the hospital.
The team is shocked to learn about Guna's father. Arjun gets irked when Reena tries to defend Radhi. Ravi confronts Anitha and she informs him about Bharathi's feelings.
Ravi scolds Bharathi, but Anitha decides to move on. Arjun tries to prove a point, and Radhi puts him down with facts. Things turn ugly between Ravi and Anitha.
Reena helps Sid get into the football team. The race for the post of the CEO takes an interesting turn when Madan makes a grand entry into the hospital.
Radhi announces that two interns will become resident doctors by the end of the year and explains how they will be evaluated. She makes it clear to Madan that she is not his ally.
Ravi and Anitha get competitive as they mentor the interns. Guna is unhappy when a celebrity dancer is admitted to the hospital. Dev grows curious as the kids lie about Reena.
