When the maid-of-honor winds up dead after a bachelorette party, it s up to Charlie and Rex to untangle the events of the night. In this season, the team investigate a case involving Charlie's estranged brother and Rex is accused of attacking a former policeman. After a woman is found dead in the snow, Charlie and Rex have a pool of suspects with only one thing in common — the victim was convinced they were all her family. Rex is on trial after his DNA is discovered at the scene of the murder of Donovan's former police informant. He is partnered with Rex after Rex's K9 human partner, Constable Grace Lindsay, was killed pursuing a kidnapper, and Rex was scheduled to be euthanized.

When Superintendent Donovan's ex, a recovering addict, wakes up with blood on her hands and a dead roommate in her apartment, the team moves quickly, finding there's more to the story than meets the eye. On the third anniversary of Charlie and Rex's partnership, Charlie recounts how a high-stakes kidnapping brought the duo together on their first case. As Major Crimes investigates a dark web marketplace, Charlie and Rex protect a witness in their home.When Jesse's sister contacts him for help, he, Sarah and Rex head to Northern Ontario and find themselves in the middle of a deadly situation.

By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. The series is made by Toronto-based prodco Shaftesbury in collaboration with Pope Productions and Germany’s Beta Film, which also handles international distribution.

Rex's keen nose and ears are instrumental in helping Detective Hudson advance the investigations in each episode. A magician dies during a practice-run of her latest routine; Charlie and Rex must look beyond the smoke and mirrors to uncover the truth.