Cafe waiter Roger Kwok and interior designer Shaun Tam encounter each other and develop a friendship due to an abduction, a case of amnesia, a missing woman and a large sum of money. Shaun has amnesia after being rescued and forgets about the abduction. His wife, Grace Wong, who paid the ransom, is missing. Shaun relies on Roger to figure out what happened and to find Grace. Roger wants to use Shaun to find the missing ransom money while concealing his involvement in the case. With the help of psychologist Roxanne Tong, Shaun recovers fragmented memories. As he gradually pieces together his memory, a surprising truth is revealed.