After a brutal murder, the devastated Hassel decides to assemble his own under the radar investigation.

Hassel draws attention from Internal Investigations and his family as his obsession with Ruda's murder draws him deeper into the abyss.

The hunt for Ruda's killer leads Hassel into uncharted territory. Not knowing who to trust, he finds himself looking for advice from a renowned criminal.

Vida and Hassel's relationship begins to breakdown. Meanwhile a tireless search has led the detective to a new suspect, career criminal Bosco.

As the internal investigation intensifies against Hassel, it appears Bosco's ex Andra may hold the key to the investigation into Ruda's death.

Nidal's internal investigation becomes compromised and Vida's father is released from prison. The lines between Hassel and Bosco become blurred.