After a lifesaving heart transplant, Tian discovers his donor was Torfun, a volunteer teacher, and her journal inspires him to honor her memory by taking her place at a remote village school.

Tian struggles through a disastrous first day as a teacher, facing embarrassment, unruly students, and cold shoulders from villagers that leave him doubting his place.

Tian bonds with the Phu Phan Dao villagers through their tea trade, but when he exposes cheating merchants and sparks a violent clash, he fears he’s lost their trust.

The village celebrates a wedding. Tian seizes an opportunity to get Phupha to escort him to the Pha Pun Dao cliff.

Tian joins Nam for a trip into the city where he meets up with his old friend, Tul. While in the city, Tian meets a powerful local, Mr. Sakda.

With the local merchants refusing to buy Pha Pun Dao tea leaves, Tian searches for a way to help the villagers avoid selling their tea to Mr. Sakda

After Tian's recovery, Phupha invites him to move in together for his protection from Sakda's thugs.

As the repairs to the school house are completed, Tian finds the courage to reveal his secret to the villagers of Pha Pun Dao.

Tian discovers that Phupha knows his father causing him to question their relationship. Phupha pushes Tian to return home after a New Year's party hosted by the village.

The day arrives for Tian to return to Bangkok. As he adjusts back to his old lifestyle, he still thinks of Phupha and the village leading him to question his desire to finish his engineering degree.