This time Master Q and his two buddies Big Photo and Mr. Chin are the owners of a pet detective company which specializes in looking for missing pets for their clients. Which Mr. Chin is very popular with girls and Master Q has Miss Chan as his girl friends, Big Potato is a lonely bachelor who gradually indulges himself on the Internet.

Vincent is discontented with every one around him and spends all of his time on playing video games…

Due to some incidents which happened in a Christmas party held at Miss Chan’s school, Master Q, Big Potato, Mr. Chin, Vincent and his younger sister, Judy are drawn by a mysterious force into a world unknown to them: the cyber world. Can they overcome the obstacles along the way to get back to the real world? Or will they be trapped in the cyber world and find no way out?