The detectives go under cover to arrest a man who brutally attacks other men; a deceptively tough defense attorney complicates ADA Barba's case.

When Rollins tries to help a friend press rape charges against her lover, she finds herself thrust into the middle of the case.

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

An internet dating site becomes the source of terror for a young widow. Muncy struggles with Velasco's absence.