For the past five years, Lin has looked after the son (Yo-yu) and elderly mother (Mrs. Chou) of his deceased boyfriend (Li-wei), living together like a family. It is Lin's way of remembering Li-wei - by continuing to be in the life he once had and loving the people he once loved.
But when Mrs. Chou passes away, her other son (Li-gang) returns from overseas and discovers that Mrs. Chou's property was transferred to Yo-yu, who has been legally adopted by Lin.
Li-gang contacts the police, accusing Lin of killing his mother. As the ensuing investigation continues, more and more evidence mounts against Lin...