The film "Basic Court Procedures" explains the workings of the American legal system through a play written and performed by a group of students. It starts with a discussion among the characters about a fictional case involving a person named Lefty James accused of robbing a bank. The characters, playing various roles in the court, illustrate how a trial proceeds, from selecting a jury to presenting evidence and witness testimonies. The film covers direct and circumstantial evidence, the roles of different court officials, and the importance of proper legal procedures to ensure justice. It demonstrates the processes of objection, cross-examination, and the concept of appealing a verdict. Through the narrative, the film educates viewers on the fundamental principles of the court system, emphasizing the court's role in upholding justice and individual rights in a democratic society.