Jake is forced to team up with a former partner; Leslie must step up when a colleague is attacked.

Jake faces the consequences of his actions; Sloan makes an important decision about her future.

Jake and Mal chase after a mysterious and troublesome woman.

Jake crosses paths with a hot-headed cop.

Leslie's informant is murdered.

Jake's location is uncovered in the Season 5 premiere. Later, Tinny oversteps her bounds.

An old nemesis interferes as Jake pursues a criminal.

Jake and Mal contend with a hit man.

Sloan goes missing and Patti seeks Jake's help in finding her, but he has trouble remembering what happened the night before. Meanwhile, Mal and Des get tangled up with a dangerous thug; and Jake and Leslie make a decision regarding their future.

Jake pursues an art thief; Sloan struggles to find her place.

Jake tracks down a hustler; Leslie becomes suspicious of a fellow officer.

Jake crosses paths with cop Bill Murdoch (Yannick Bisson) on a strange case.

The Doyles investigate an unusual murder that resembles the work of an eccentric novelist.

Jake stumbles upon a murder in the woods during a fishing trip with Mal and Des.

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Jake is taken hostage during a robbery.