A Japanese porno actor, HIV positive, commits suicide. Natsumi, a popular porno actress who has often worked with him, learns that she is also HIV positive and becomes desperate. She receives mysterious post cards at times from Taiwan, and decides to go to Taiwan to solve the mystery.

A virus gets loose in Taipei Army and SWAT teams oversee evacuation but in Ximending the gangs don't want the police They attack the military but when both find themselves under attack by zombies there is an alliance as they try and escape.