 When Xiao Bo s father, who had a sex change and wants to be called mom, is dying, he insists on having the taste of Xiao s milk (sperm) when he dies, so he gives him head. Soon after, he meets his best friend, Nana, for the first time after his sex change, now a beautiful woman. Other acquaintances are getting sex changes while Xiao copes with his loss. Nana becomes despondent at the prospect of never finding the right man.