Choi Fong (Jessica Hsuan) is a determined and smart young girl, one day she meets Ah Wong (Roger Kwok), the boy that was said went missing for 30 years. He causes her alot of trouble, but when kids pick on him, she helps him out. Ah Wong has some kind of brain damage that makes him act like a child.
Her step-mother only cares for her birth daughter Choi Dip (Leila Tong) refuses to let her marry the stupid boy Ah Wong. She and her daughter plot a scheme to make Choi Fong marry Ah Wong. Choi Fong thinks that she will be marrying someone else, when she finds out on the wedding day, it is already too late. Her mother in-law likes the daughter in-law that she has and refuses to let her go.