A viral video of Jane jeopardizes her career and reputation; the squad tries to solve a murder case involving a conspiracy theorist.

Frankie Jr. is brought in to help with a gruesome murder case involving a youth hockey league. Frustrated with Hope, Cailin asks to stay with Maura. But Maura quickly learns that living with a teenager requires skills she does not have.

When a forensic accountant is gunned down, Jane and Maura are drawn into a Ponzi scheme. But the biggest surprise is Jane's discovery that her prime suspect is someone from Maura's past. Jane also makes a life-changing career decision.