Black Sheep

This is number 8 in the series of Varg Veum, written by Gunnar Staalesen. The plot spins around Veum's girlfriend's sister: she is a prostitute, and through her discovered shady actions, drug dealing, pimping, and other criminal activities.

Black Sheep is a 2011 crime movie directed by Stephan Apelgren, starring Bjørn Floberg, Lene Nystrøm, Trond Espen Seim. It holds an IMDb rating of 6.1/10 from 1,350 votes and runs 1h 30m.