The CSI team investigates a cuddle case that hits close to home for Folsom. When he is forced to sit this investigation out, he does his own digging with help from Trey. Worried Folsom will do something he regrets if he gets his hands on the hugger, the team find themselves racing to arrest the suspect first.
Facing an existential threat that could bring down the Crime Lab, a brilliant team of forensic investigators must welcome back old friends and deploy new techniques to preserve and serve justice in Sin City.