Best friends as children, Mew and Tong run into each other years later as young men and find they have unexpected feelings for each other.

In the wake of a deadly SARS outbreak that's turned ordinary folks into flesh-eating zombies, Thailand stands alone as the only nation to block the pandemic. That is, until the virus finds its way into a crowded Bangkok apartment complex.

Khao Niao, a young girl, is left at her relatives' house by her mother. Although she is surrounded by familiar faces, she still feels very lonely and blames her mother for 'abandoning' her here. One day, while wandering around, Khao Niao finds a stray puppy.

A teenage rock musician masturbates gleefully and often. Way too often. One night, flying sperm escape and impregnate local women. The babies grow into an army of little creatures with the teen's head — and libido.