Law & Order: Special Victims Unit S06 E11 Contagious

"Hope in the darkness."

After a car accident a nine-year-old girl is examined and it's found she's been sexually abused. Out of fear and desperation, the girl blames her soccer coach for molesting her. Soon a slew of other girls claim they also have been raped by the same coach. During the investigation, Benson has to try keeping Stabler from falling apart as his wife has left him.