Mystic River (2003)

Three boys, Jimmy Markum, Sean Devine, and Dave Boyle, play hockey in a Boston street in 1975. Spotting wet concrete, they start writing their names into it when a car pulls up with two men, one pretending to be a police officer and the other a priest. One gets out and berates the boys for their actions, and tells Dave to get into the car. The men hold Dave captive and sexually abuse him for four days, until he escapes.