Original: สัญญา I ไม่ลืม
Childhood friends Phupha and Nanfah were inseparable—until Phupha vanished for ten years. As Nanfah rebuilds his life, fate may bring them together once more.
Phupha and Nanfah have been friends since childhood but suddenly after their college graduation Phupha disappears without a word to Nanfah.
Phupha moves into the apartment across the hall from Nanfah and the two reconnect after their time apart.
Nanfah helps Phupha with his dream of buying the coffee shop. Nan proposes a new idea at work to abandon their strategy to hire a celebrity presenter.
Ken loves Nanfah's suggestion for the new presenter, but Phupha is reluctant to accept.
Phupha excels in his presenter role. Nanfah finally confronts Phupha about where he was for the past ten years.
Gie Gie and Namfon urge Phupha and Nanfah to make things right between them. Nanfah goes to visit Phupha at Namfon's home.
Nanfah and Phupha revisit memories and keepsakes they buried 15 years ago.
Nanfah and Phupha move out of the condo and into a house together. Nanfah prepares a surprise for Phupha's birthday.
Nanfah and Phupha experience a new level of honesty with each other.
A truth is discovered about Khunkhao. Nanfah travels for work, separating him once again from Phupha.
