Underbelly is an Australian television true crime-drama series, each series is a stand alone story based on real-life events.

High school student Benjamin notices that the lights in the bathroom flickers, and it suddenly goes dark. He climbs up to check the light and falls. When he later wakes up, the school is dark and empty. Soon he discovers that he's not alone.

At the same day that a vicious virus attacks Stavanger, Steffens grandfather gets kidnapped. Steffen then has to battle his way through zombies, soldiers and other enemies to find him.

Some teenagers are ambitiously setting up a famous Jon Fosse-play. They hire a well known actor to be their mentor, unaware that he's going through a life crisis. Their new mentor chooses Vegard, promising footballer and local douchebag, to play the leading role.

About a young man set to win a pokertournament, but eventually he finds himself in the dark underground of Stavanger.