Sara and Moore return to the killer's abandoned house in search of new information about their suspect. Kreizler faces ruin after a tragic incident at the Institute. Sara and the team are enlisted to rescue another missing child.

Brittany Marie Batchelder, Dominic Herman-Day, Emily Barber, Frederick Schmidt, Gavin O'Connor, Georgia Lowe, Holli Dempsey, James Faulkner, Justin McCarron, Lara Pulver, Lucas Bond, Martin McCreadie, Matt Letscher, Michael McElhatton, Peter Coonan