Ng Ga Wai longs for the moment to meet her mom, they haven't seen each other for almost 10 years. However, Ah Mui - his loving mother, insists to not meet her son, she even gives instructions to others to obstruct her son's visit. In the meantime, a meantime, a memory that was meant to be forgotten appeared. He remembers what he did to his mother, and an unforgiving sin that leads Ah Mui to leave the family for almost 10 years...