Detective Roland Hassel's father figure and mentor, Yngve Ruda, is brutally murdered in the middle of the street. Devastated, Hassel decides to undertake his own covert investigation to find Ruda's killer and avenge him with the support of 'Triton', a special task force consisting of Hassel's most devoted co-workers. But Hassel's obsession with the case affects his family as well. As Hassel, his girlfriend Daniela and his 14-year-old stepdaughter Vida struggle to stay together as a real family they find themselves in a downward spiral taking them further and further into an abyss. Meanwhile, the evidence on Ruda's killer leads away from the street and up the corridors of power in Stockholm and Brussels. But Hassel's battle against crime and corruption knows no boundaries and he will stop at nothing.
Just released from prison six months ago, Cheyenne is cleaning ferries while dreaming of fleeing to the Amazon. Lola is a stunning, selfish Parisian without scruples who appears in the north of France to move in with her lover. When Lola murders her lover's wife, Cheyenne, an involuntary witness, knows she will be charged with the murder because of her criminal record. She is obliged to seek help from the local crime boss to get rid of the body. A favor that will drag the two women into a dangerous game of duplicity, all while making a fortune behind everyone's back.