"Alfred Hitchcock Presents"The Young One (1957)

Janice is a beautiful 17 year old who longs to be free from the influence of her guardian Aunt May. She also wants to get out of the small town she's in. She asks her boyfriend Stan to marry her so that they can run away. Since he doesn't have a job, he keeps putting of the marriage. Janice do something herself. She meets a man named Tex and lures him home for a drink. When she hears a car outside she starts fighting with Tex. She rips her clothes and knocks over furniture. A policeman who sees Janice with Tex enters the house. Upon entering the house, he discovers Aunt May's body. Janice tells the policeman that Tex killed her. The policeman accepts the girl's story. Then, however, Stan arrives. Having gotten a job he had come by the house to take Janice away. He found Aunt May's body lying in the spot where Janice left it after pushing her down the stairs.