Koukussa (2015)

Drug Crime Detective Oskari is the envy of his colleagues. His connections to underworld and informants is unrivaled. What they don't know is the mother of his child, Krista, is a drug addict who lives in that world. And now she's back in his life, shaking his home life on one hand, and offering new connections to knocking down the rise of drug imports. If only he could trust her.