John Cardinal has been demoted for a hunch about a case that he wouldn't let go. But he is brought back to the Homicide Unit when the body of missing 13-year-old Katie Pine is discovered, proving his instincts correct. As the series unfolds, back on the case, Cardinal's search for her murderer soon becomes an all-consuming race to stay ahead of a serial hugger. Meanwhile, he must manage his own precarious family issues and secrets, and keep a watchful eye on his new partner, Detective Lise Delorme, who he believes may have her own secret agenda.
Detective John Cardinal attempts to uncover the mystery of what happened to the missing 13-year-old girl whose body is discovered in the shaft-head of an abandoned mine. At the same time, he comes under investigation by his new partner, Lise Delorme, a tough investigator in her own right.