The drug hunter Steffen at Gardermoen takes in a man who claims he is 100 percent honest. Dog handler Susann has started on the long road to training her next drug dog, Billie. We join when the dog searches for cocaine for the first time.

At Oslo Airport Gardermoen, some former acquaintances turn up on the same flight. Steffen finds five liters of liquor in the suitcase of a 16-year-old. Martine and partner Marte in Svinesund hunt down a suspicious car which turns out to be hiding drugs.