When a priceless painting is stolen in a museum heist, Morgan and Karadec team up with an art-recovery expert to unravel a tangled case and fierce ownership battle. Meanwhile, Soto is determined to uncover the secrets hidden inside Roman's backpack.

It's almost Halloween, and the team investigates a spooky case where a wealthy lawyer is found dead in his haunted Victorian mansion, while Captain Wagner surprises everyone with his skills. At home, Eliott plays mediator between Morgan and Ava.

When a social media stunt turns deadly, Morgan and Karadec head to an influencer content house to track down answers. Meanwhile, the LAPD team adjusts to Captain Nick Wagner's new role, and Ava seeks out more information on Roman's disappearance.

An investigation involving the murder of a local singer uncovers details that reopen a strikingly similar decades-old cold case; the team rallies around Soto after she is passed over for the captain's chair.

When a man with a troubled past is killed under mysterious circumstances, Morgan and the LAPD uncover a tragic motive behind his death; Morgan opens up to Ava about her father, forcing Ava to confront truths she isn't ready to face.

As the Major Crimes team desperately seeks answers amidst a string of unresolved crimes, Morgan suspects the Game Maker is responsible; Daphne and Oz set out to find Roman; Elliot prepares a surprise act for his school's talent show.

While working tirelessly to shield her family from the Game Maker's threats, another crime drags Morgan back into his game and the LAPD must decide whether to trust her instincts before the next move turns fatal.