In New York, the insider trader Martin Taylor is released after four years in prison and his mother and his wife Emily Taylor welcome him. Unexpectedly Emily is depressed and tries to commit suicide, hitting her car against the wall in the garage. Emily goes to the hospital and the psychiatrist Dr. Jonathan Banks treats her and she decides to be his client. Dr. Banks consults her former psychiatrist Dr. Victoria Siebert and she suggests that Dr. Banks uses the new drug Ablixa in Emily's treatment. Emily tries to commit suicide again, but she returns to a normal life with Martin and occasionally has sleepwalking episodes. One day, Emily stabs her husband to death while sleepwalking and she is sent to trial. She is declared not-guilty but is forced to go to a psychiatric facility and Dr. Banks is responsible to periodically evaluate her mental condition. Dr. Banks has his career destroyed with the negative publicity and also his marriage with the unemployed financial consultant Dierdre Banks after receiving anonymous photos of Emily with him. He decides to investigate the case to clear his name and discovers that Emily faked her suicide attempts. His further investigation discloses an evil scheme in the stock market.