Jesse is critically wounded attempting to stop an auto theft. The investigation leads the team to an international auto theft ring supporting terrorists.
Charlie is unable to let a serial arsonist case rest even when he is in the hospital with a broken leg; working from his bed Charlie hopes to identify the arsonist before he strikes again.
After the owner of a construction company is found dead, Charlie and Rex track the killer to an underground casino. Major Crimes goes undercover to solve the case.
When Officer Power and her K9 partner Rebel are violently attacked responding to a call about a warehouse break-in, Major Crimes is at the ready, but their hearts are heavy as the case hits close to home.
Charlie and Rex discover a wanted criminal has been living under a fake identity in St. John's for the past 20 years and end up in the cross-hairs when the man's past catches up with him.
When the creator of a fully self driving car is found dead behind the wheel, our human K-9 team have to discover the why and the who, which is made harder as the only witness is a the victims robotic dog companion.