The film was written by Jo Chan, and produced by Sammo Hung.
The film stars Michael Miu, Terry Hu, Richard Ng, and John Shum.
Working at the police forensic department Mr Boo (Michael Hui) although absent-minded and scruffy is successful at his job.
His beautiful wife (Terry Hu) begin to be courted by handsome billionaire Yang (Stuart Ong) and now Mr Boo must try to win back her love.
While on a job involving a bank robbery he befriend detectives Ng (Richard Ng) and Beethoven (John Shum) who promise to help him with his love life.