Things on Law and Order: SVU are heating up quickly, and the new episodes are full of twists and turns that will leave fans shocked. Wednesday night's new episode, Undercover Mother, revealed one of the most shocking secrets on the show.

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During the new episode, a woman named Martha Thornhill is arrested for prostitution, but later detectives learned that she has gone undercover and embedded herself as a Madame for three years in hopes of finding her missing daughter, Ariel.

Ariel was taken while the family was on vacation in Toronto. The police officials in Canada refused to help Martha and her husband because they thought they were involved in their daughter's disappearance.

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The truth is, Ariel had been sold into a sex trafficking ring, so Thornhill partnered with detectives at New York's SVU so that they could find her.

Detectives Olivia Benson, Rollins, Tutuola and Amaro busted a party and took down and pimp and his cohorts, but they realized that Ariel is still missing. After doing some investigating, the team learned that Ariel was beaten and sold to man named Johnny D. for $800.

When the team finally found out where he was, they busted him and found Ariel. Ariel was taken to the hospital and when she awakened, she was greeted by her mother.

The big twist came just seconds before the episode ended. Benson got a knock at her door at was Social Services. The woman told Benson the Johnny D. was her son Noah's biological father.

Be sure to tune in to the next episode to see what happens next. 

Law and Order: SVU airs every Wednesday night at 9 p.m. on NBC. For viewers who missed the new episode of simply want to watch it again, be sure to visit the NBC website to watch the full video.

Tags: Law And Order SVU nbc television Dick Wolf