A two-timing bigamist finds himself ensnared in a web of seduction and deceit with his fiery friend, Chi Hung, as they orchestrate scandalous escapades to keep both of his wives blissfully ignorant of his double life. However, the unwelcome presence of a persistent cop and a string of outrageous mishaps unveil the truth, prompting the wives to join forces with Chi Hung's fed-up fiancée, Ka Lai, for a titillating revenge against the two schemers