Original: 哥哥你别跑
Su Yu’s simple high school life is turned upside down when his aloof stepbrother Wu Bi enters the scene—and a sudden accident unveils long-hidden secrets.
Wu Bi switches schools and ends up in the same class as Su Yu, but the two of them don't hit it off when they first meet.
Wu Bi runs away from home and lives on his own because of a fight with his father, but because of this he meets a new friend.
Wu Bi realizes that the person who helped him move is actually Su Yu's father. Moreover, because of an accident, Wu Bi and Su Yu start to understand each other.
Wu Bi and Su Yu start sharing stories about their mothers, and Wu Bi also mentions a sculpture that looks just like Su Yu.
Wu Bi learns that Su Yu had a past relationship with a female classmate Ye Wanying, which makes Wu Bi extremely curious.
Wu Bi is worried that his lie will be discovered by Su Yu, so he thinks of a way to cover it up.
Su Yu accidentally realizes Wu Bi's secret, which leads to the relationship between them to reach a standstill.
A photo of Su Yu meeting his mother goes viral, which he blames on Wu Bi. As a result, the two of them get into a heated argument.
Su Yu sees that his dad has feelings for Auntie Zhou, so he gives his dad an idea.
Wu Bi rents a place near Su Yu's home, and apart from giving the rest of the family more living space, the two of them start living together.
Wu Bi's cousin returns from abroad, but it turns out that his cousin's girlfriend is actually Su Yu's old classmate Ye Wanying.
Wu Bi and Ye Wanying reach an agreement, but Ye Wanying uses other means to instigate drama between Wu Bi and Su Yu.
Ye Wanying's lies are uncovered, and Su Yu says goodbye to her. Meanwhile, Su Yu questions his mother about the statue.
Wu Bi's father becomes enraged when learning that Wu Bi is living with Su Yu, and goes directly to Wu Bi to find out the truth.
Su Yu's mother realizes that Duo Duo and her son are close, so she decides to figure out a way of getting closer to Duo Duo.
Wu Bi sees that Su Yu's father is having trouble finding the right storefront, so he secretly devises a plan to help.
When Su Yu and his own mother start investigating the truth behind Wu Bi's mother's passing, more and more information comes to light.
Su Yu arrives at Wu Bi's uncle's residence, but has no way of getting inside.
Su Yu and Wu Bi celebrate each other's birthdays, and give each other special gifts.
Duo Duo finds a piece of paper within the statue that Wu Bi's mother made, and Su Yu and Wu Bi realize that it's an important piece of evidence.
Wu Bi accepts his cousin's request to go abroad, which results in him being forced to spend time apart from Su Yu.
Wu Bi successfully gets his drivers' license, and he and Su Yu go for a ride together to wherever Su Yu wants to go.
In order for Wu Bi to get into a good school, Su Yu tutors him, but Wu Bi's cousin refuses to let go of Wu Bi's plans for the future.
Wu Bi sees his cousin being kind to Su Yu and feels like something isn't right, so he warns Su Yu to keep his distance.
