With the rest of the team racing to stop an illicit weapons sale, Rex resolves to bring justice all on his own when he witnesses a murder while stuck at home.

Donovan tracks a marine smuggling operation, the team investigates the night of a wedding to uncover why the best man ended up at the bottom of the Atlantic.

A K9-in-training leads her partner to a real crime scene, she uses her personal connection to the case to help Major Crimes bring justice to the victim s family.

After the confrontation between a murder writer and a victim's wife goes viral, the team reopens the seven-year-old cold case, uncovering new evidence.

When the president of a beekeeping association is found stung to death, a foreboding note leads the team to investigate who was willing to kill to be the new queen bee.

Jesse and Stella's band gig goes sour when they become the victims of a mass poisoning, becoming key witnesses in piecing together a deadly night at the pub.

After a man is stabbed by an intruder who left no trace of a break-in, Rex s senses reveal it was only a practice run for a scheme that goes much deeper.