First Blood (1982) on Netflix

John Rambo is a Vietnam Veteran, winner of the Medal of Honour for serving his country in the Vietnam war and the last surviving member of the unit he was in. Rambo arrives in a small town, where he is arrested by the abusive local Sheriff Will Teasle for refusing to leave town. Rambo is mistreated and he relives his painful memories of being tortured in a prison camp, which goes too far and Rambo escapes from police custody. Rambo is pursued by Teasle and the local police into the woods and Rambo begins a personal war with Teasle, and uses his combat skills and hunts down Teasle and his men. Rambo's former commanding officer Colonel Samuel Trautman arrives believing Teasle and his men don't stand a chance with Rambo, and tries to put Rambo's personal war to a end, as Teasle wants Rambo dead.