Tour bus driver Ching Pang Wen (Fang Ying) and tourist/student Annie Yeh (Lily Lo) sing and romance their way through Singapore.

A detective and wanderer called Man Tshu comes to town and challenges the crime family that owns it, burning their opium and taking away one of their prostitute wives as his love interest.

A kung-fu fighting detective investigating the murder of the emperor's wife uncovers a high-ranking conspiracy.

Lily Ho as a deadly assassin becomes the target of murder herself