A woman walks into the precinct with no memory and covered in blood. The detectives eventually figure out that she is Lilly Green, a preschool teacher. She is covered in the blood of her friend Toby Warren.
Lilly didn't kill Toby, she was there when Kyle, drug dealer shot and killed her friend before she escaped. The detectives track down and arrest Kyle. Lilly eventually recovers her memories.
Barry Frost's mother asks for his friends' help in planning his funeral. Maura picks the flowers. Korsak is in charge of the music. Frankie gathers photos and Jane gives the eulogy. One by one, everyone eventually cries over their lost friend.