Xiao Bo lives in a world where the lines defining men from women are constantly dissolving. He kneels at the deathbed of his father who has become a woman, and whose dying wish is to have oral sex with his/her son. His boyfriend Nana has also undergone a sex change, but Xiao Bo no longer finds her attractive as a woman. A sexual chain reaction ensues that wreaks havoc on traditional Chinese roles that govern male and female, parent and child.
In order to avoid her boyfriend, a girl hitches a ride in a stranger's car. The car was actually stolen by the young man driving it, and he was going to sell it. The miraculous encounter... they could not help but fall into the vortex of love.