The Doyles help a close family friend beat a manslaughter charge despite the fact that he refuses to defend himself; Jake's relationship with his ex-wife, Nikki, is heating up when it should be cooling down - and new cop on the block Constable Leslie Bennett might be the perfect distraction.

A young woman comes to The Doyles with one case - to find her unknown biological father - but they end up solving three; Jake is distracted by Leslie while trying to extract himself from Nikki.

The Doyles take on a cold arson case for Mal's old flame to find out the tragic truth of what really happened when a girl died in a bar fire; Jake and Leslie are finally starting to connect when Jake discovers he might be… a daddy?

A wrongfully convicted murderer gets out of prison and offers the Doyles a generous payday if they find the real killer; Jake finds out the truth about Nikki's pregnancy.

The Doyles start trailing a potentially cheating husband to find he deeply loves his wife, but is in deep trouble with some menacing criminals and smugglers; as Nikki moves forward with her new beau, Jake and Leslie take it to the next level.

The Doyles show their sentimental side as they help Jake's high school girlfriend run off into the sunset with her new husband, who's running from both bad guys and good guys to just get away; Rose's past comes back to haunt her in the form of her ex-con husband, while Leslie weighs whether or not she wants Jake in her future.