From Riches to Rags (Chinese: 錢作怪) is a 1980 Hong Kong action comedy film.

After buying a winning lottery ticket, factory workers Ah Ying and Fatso become millionaires overnight.

However, a prediction by a fortune teller and a mix-up with a doctor leads Ah Ying to believe he is going to die from cancer.

While on a rooftop, he meets a poor suicidal man, who gives all his money to Ah Ying, under the condition that he hires a hitman to kill him.

In the end, all the hitmen are killed and the police has arrived to deal with the chaos, but Ah Ying and Fatso have become slightly crazy as a result, with both of them starting to befriend the mental patients in the hospital.