"The Stepfather" is a 2010 psychological thriller directed by Nelson McCormick. The film follows a man named David Harris, who assumes the identity of a loving stepfather after a family tragedy. However, his dark past begins to unravel, leading to a series of suspenseful events as his new family becomes increasingly suspicious of him. The story centers around the teenage son, Michael, who discovers David's true nature and motives. As Michael tries to protect his family, the tension escalates, culminating in a gripping confrontation. The film explores themes of trust, deception, and the complexities of family dynamics.