Rollins goes undercover to root out a government worker withholding green cards in exchange for sex.

An ingénue ballerina discovers she’s been secretly videotaped for a pornographic website.

The SVU steps in when a girl goes missing near a building that houses several sex offenders.

The SVU is called in to help investigate a wave of hate crimes on Christmas Eve. Rollins catches up with an old flame.

After a woman disappears, the squad notice similarities to a 20 year old DV case. Rollins and Carisi's relationship faces a challenge.

When a student’s school reports a girl missing, the squad must track down a trusted family friend for answers. Benson gets a Mother’s Day surprise.

The crossover continues on Law & Order: Organized Crime S02E20 Lost One (II).