Lily Knight

A girl can't remember killing her best friend, despite holding the murder weapon, so Jane finds a way to jog her memory.

A patient with Alzheimer's disease brings back difficult memories for Richard and April, while Jackson struggles to return to normal life.

A shortage of blood in the ER during a winter storm leads to a difficult decision. Dr Greene and Dr Del Amico attempt to save a security guard that was shot on the job.

Jane and Maura literally race to find a killer at the Boston Marathon who shoots runners during the event.

A young girl is found murdered, and when Megan arrives at the scene, she finds Tommy covered in blood. As the evidence piles up against him, Tommy claims he cannot remember what happened the previous night.

Returning from a business trip to Hawaii, Joe gets in touch with Allison to let her know when he'll arrive, but never makes it. Seven years in the future, Allison helps prosecute a major drug dealer as a successful assistant district attorney.