Early one morning, two FBI agents, Portman and Cross, visit the Peterson home. Jack Peterson, a young psychology professor, had just inherited the house from his grandfather. Portman and Cross question Jack concerning the murder of two young women and a handgun he once owned. Jack denies knowing or ever meeting the women and tells the FBI that the gun was lost long ago. The FBI continue to investigate Peterson's past and he continues to deny any involvement. Jack's wife, Anne, discovers the "lost" handgun in a box from the basement. This discovery builds tension and distrust between the couple. Jack assures her he will bring the gun to the FBI. Jack's escalating strange behavior raises not only the concerns of his wife, but also the FBI, who are watching him constantly. More things about his past start to unravel we find out that the suicide of his twin brother, Jimmy, brought on by post-traumatic-stress-disorder, led to Jack's creation of a drug formula. Does this formula have ...