One day a crazy man named Cheng Ming (Roy Chiao) is institutionalized who carries a bag of trash.

Princess tells them that her father discovered a sunk boat at the coast of Hong Kong.

Tim and Lee starts to plan for their luxurious life, including quitting their jobs, and set out to find the artifacts.

With their fancy of luxury over, Lee gets his job back and Tim got insane and became a mental patient.

Tin choi yu bak chi (天才與白痴) is an album by Samuel Hui, released in 1975 by Polydor Records in Hong Kong.