Sudsakorn is a curious young man, raised in the ancient traditions of magic by his mystical grandfather. He never knew his farther. His mother, a beautiful mermaid is pained by his sadness, so sends him on a quest to find his father.

A group of teen musicians check into a hotel after a night of performance outside of Bangkok, not knowing that the room they are staying in harbors a deadly secret. They must set out to solve the mystery behind a prostitute's murder in that very room to save their lives.

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.