A serial rapist sends a letter to the squad announcing his return to Philadelphia after five years and his plan to strike again. Lilly's best hope of catching the rapist comes from a victim who is able to provide a composite sketch.

Bree Turner, Brook Swift, Brooke Bloom, Christopher Shea, Greg Zola, Gwendolyn Whiteside, Jenni Blong, Joel Bissonnette, Joy Hooper, Sarah Rosenberg