A Little Game is a 1971 ABC Movie of the Week that was first broadcast on October 30, 1971, starring Mark Gruner as a young boy who will do anything to get what he wants. In the movie, the plot suggests that he is might be responsible for the death of a fellow student at the military academy he attends, yet his mother Diane Baker refuses to believe that he could be guilty of anything. His stepfather Ed Nelson begins to wonder if the boy wants to get rid of him. It was based on the 1968 novel of the same name by Fielden Farrington who also wrote the screenplay. The film was directed by Paul Wendkos who would film another of Farringtons novels for television, Strangers in 7A, the following year.
Source: Wikipedia