Gemma and Dave are adjusting to Grover growing up and becoming a teenager, and Marty and Calvin are struggling with different management styles at work. Also, we meet one of Marty's new employees, Courtney, who might become something more.
When a superstar singer’s life is threatened, the team is thrust into the world of big-ticket stadium shows, crazed fans and divas – giving Lucifer a run for his money. Meanwhile, Charlotte tries to help Linda and Maze repair their friendship.