Deep in the rainforest of Washington's Olympic Peninsula, Sheriff's Deputies are battling a rising criminal underground. Here some thieves use the vast wilderness as their playground, willing to destroy the forest and the communities that depend on it.

Detective Rhoades receives another tip about a mysterious body in the woods. Deputy Newman responds to a critical call with lives potentially hanging in the balance. Sgt. Kolilis and his team crack open a high-dollar timber theft case.

Rhoades make a breakthrough in his search for mysterious human remains, and a timber theft suspect finally faces justice. Sheriff's Deputies crack down on recent thefts and attempt to solve new mysteries.

Secrets in the forest begin to reveal themselves. Kolilis has a run-in with a timber theft suspect he knows well, Rhoades calls in a 40-person search team to help find the human remains, and Newman encounters a childhood friend suspected of maple theft.

Officer Logan's sting operation deep in the woods brings him face to face with his chainsaw-wielding suspect; in Mason County, Deputy Rhoades' hunt for human remains takes a shocking turn.

In Jefferson County, Newman finds the largest maple theft in 10 years and struggles to catch a suspect one step ahead of him; in Mason and Grays Harbor Counties, Deputies stop at nothing to take down criminals in the outskirts of the forest.