As the Blood Moon rises, the Titans fight to keep Sebastian from Mother Mayhem’s clutches, and an injured Conner gives rise to a venomous threat that jeopardizes the team’s plan.

Joon-woo wields his power to force loyalty from his partners. Cha-young finds refuge in Vincenzo's apartment following a break-in.

A dangerous warehouse fire puts truck and squad at risk. Tensions are high for Dawson and Casey when Dawson's father overstays his welcome at their home. Meanwhile, Casey continues to fight for his first responders bill, Mouch makes a serious decision regarding his future and Herrmann goes to tremendous lengths to make a young boy smile.

A young boy is found wandering alone in Central Park and the search for his parents leads to startling evidence of a planned mass casualty event in the city. As the SVU works with the joint-terrorism task force to find the suspects and the motive, Lt. Benson must also convince Barba to address allegations of rape and torture the boy's mother discloses.

Newly tested DNA evidence leads to the exoneration of a prisoner who served 16 years for a rape conviction. However, he's investigated again one day later in the wake of a shocking new crime.