The SVU squad tries to keep Detective Rollins' sister safe from her abusive boyfriend when she turns up beaten and pregnant; when Rollins is forced to take drastic action, an internal affairs investigation begins.

The investigation into how a comatose woman ended up in a river near the mayor's home reveals the victim's unexpected wild side.

ADA Barba finds that a friend -- with a connection to a mayoral candidate front runner -- is accused of rape.

The already frantic search for a missing diabetic boy becomes more urgent when he is spotted with a couple known for child endangerment and pornography.

Taking an active approach to catching sex offenders, the team targets a photographer with a secret life whose fantasies may have crossed into reality.