Treason is a gripping drama that explores the concept of power, control, and the price of personal ambition. The movie follows the story of Grant Wilson, a repressed man with a strong desire for control and order. He has created an isolated world on his ranch, away from the rest of society, where he rules as the king of a made-up nation. He has indoctrinated his family into his beliefs, and they are all loyal subjects of his kingdom.
However, as the years go by, his son, Ethan, becomes more and more ambitious, taking the mission of their family's kingdom too far. Ethan wants to expand their territory, their power, and their influence, and he will stop at nothing to achieve that. In contrast, Grant's daughter, Clara, begins to question everything around her. She is not content with living in a confined world where she is not allowed to explore the outside world. Clara sees that what they have is a facade, and she wants to find her own truth.
As tensions rise within the family, Grant fights to maintain control over his kingdom, but his grasp on his family is slipping away. His son's ambition is driving them apart. Clara's independence is making her increasingly difficult to control, and the reality of the situation they are in is becoming harder to ignore.
As the movie progresses, Grant realizes he can no longer ignore the truth and must confront the reality of his family's situation. He must choose whether to maintain his power, even if it means suppressing his family, or relinquish it, allowing his children to live their own lives. The family ultimately faces the harsh truth of their situation and must make difficult decisions that test their loyalty to each other and the kingdom.