Featuring Ekin Cheng as Dragon, Goodbye Mr. Cool follows a reformed hitman (Cheng) whose life of crime has been traded for a waiter's apron at the Kowloon Cafe. When his ex-girlfriend (Karen Mok) is promoted to Queen of the Underworld, however, she makes it her personal goal to seduce him back to the crime business. Though Dragon is reluctant to go back, it's only a matter of time before he plays a key role in a bloody gang war. Directed by Jingle Ma, Goodbye Mr. Cool also features Lam Suet, Rain Li Choi-Wah, Stephanie Che Yuen-Yuen, and Jackie Lui Chung-Yin.