A young woman learning about her birth parents asks Benson for help.

Carisi and Rollins weigh the risks of taking their relationship public.

Air Date: Thursday, Feb. 24 (09:05PM – 10:02PM) on NBC.

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LAW & ORDER: SPECIAL VICTIMS UNIT -- "If I Knew Then What I Know Now" Episode 23013 -- Pictured: (l-r) Mariska Hargitay as Captain Olivia Benson, Peter Scanavino as Assistant District Attorney Sonny Carisi -- (Photo by: Zach Dilgard/NBC)