In a summer holiday, a father (Mr. Kuk) with his children (Ku Fung and Little Kuk-Ku) has decided to open a noodle bar on a 2-month lease. He has great expectations for his noodle business. Kuk Fung quickly falls in love with Carlily (Kuk Fung's friend). Meanwhile, Little Kuk-ku has met a new friend, Wo who is working at the noodle bar. As the vacation is going, the nodle bar has to be closed. Mr Kuk's business performance didn't come up to his expectations, but it ends up with two puppy loves.

A revolver falls into the hands of series of characters from the bustling district of Mongkok to the mainland port city of Shenzhen.