For FBI Agent Jennifer Jareau It was a case like any other until a 4 year-old girl was found at the killer's home. The team needs Maisy's help to find someone but the girl has gone mute. With the desire to help, JJ does more than she ever did and Maisy ends up strongly attached to her. What will she do when she becomes the only person the child seems to need? What will she do when she finds out Maisy's real story? ⚠️ WARNING: strong parts with violence, including sexual abuse.

Charlie McDowell is the newest member of the BAU. Smart, sarcastic, stubborn, and unwilling to share anything with her colleagues, will they be able to discover her secret before it's too late?