The Wildgoose Chase.

Chung, Yam and Koo work for the same advertising agency. Chung is a philanderer. Yam lives with his girlfriend who is a TV reporter, requiring irregular working hours. Koo's wife puts a tight leash on his social activities and this makes him feel bored. The trio are going on a business trip to Korea on the expenses of the company. Tasteless comedy ensues.