The crown prosecutor is convinced that Grace Atwood killed her flatmate Molly Ryan and now it’s in the hands of the jury. As the jury deliberates Grace’s fate, Detectives Bruno and Pike rush to uncover who is behind the Hertfordshire murder and if the two cases are related. To buy time, Stan and Natalie try and postpone the court proceedings, not knowing that Grace has an escape plan of her own in motion. Meanwhile, Patrick is convinced that Prince Theo is the murderer and intent on revenge. So, when the Prince’s compulsions lead him back to Kaley, it provides Patrick with the opportunity he’s been waiting for.
Major Crimes investigates a divorce attorney with a lot of angry clients; Lt. Tao goes under cover in the world of college-age hookers; Buzz learns the identity of a suspect.
Things go from great to gruesome when Jill, Andy, and the kids drive to a party in the Hamptons and get stuck in a traffic jam where Jill has a run-in with Brooke's idol, Joy Green, author of The Joy Manifesto. Lex gets an enticing offer for Brooke's company, but Brooke has other ideas.
Brandon travels to New York City for his Julliard audition and meets a girl who forces him to take a hard look at his life, including his relationship with Cortney. Meanwhile, Stef and Lena make an unexpected announcement that leaves the family in shock. And Callie’s friendship with Aaron causes friction between her and AJ.