The Fast and the Furious (2001)

Los Angeles police officer Brian O'Conner must decide where his loyalty really lies when he becomes enamored with the street racing world he has been sent undercover to destroy. In his mission to infiltrate Dominic Toretto's gang, Brian befriends Mia, Dominic's sister, and tries to earn the trust of the gang by selling performance equipment. As Brian gets closer to the gang, he becomes torn between his loyalty to the police and his desire to be a part of the street racing world.