宇婕的朋友天柱打算捐肝救父亲，母亲梁婶极力阻止，不得已下说出天柱并不是他们亲生子的秘密。梁婶透露梁父当年在怡保一个油棕园旁的河边，意外碰到一个哑巴妇人，对方把一个襁褓中的孩子交给他。天柱决定追查自己的身世。
It is only when Yu Jie’s friend, Tian Zhu, wanted to donate his live to his father, did he realized that the parents whom had brought him up were not his biological parents, he forced them to tell him who were his parents and his life story. He was told that a mute lady handed him over to the husband when he bumped into her along the river at the oil plantation. There were too many unanswered questions to his birth story, Tian Zhu is determined to find out the truth.