A young Viking must come to terms with the realization that he may be the King's son, who was switched at birth, but not before others try to take his rightful place.

A group of friends, in dire need of cash, find themselves at a secluded medical trial retreat in what seems like an easy way to earn money but quickly turns into their worst nightmare. Under the guise of a harmless experiment run by the enigmatic Dr. Feldman, they are about to face a horror they never imagined. Unbeknownst to them, Dr. Feldman has unleashed a new terror: a swarm of genetically engineered killer flies, with an insatiable thirst for human blood.