After a serial killer named Red John murdered Patrick Janes wife and daughter, Jane dedicated his life to hunting down and killing Red John. To that end he gave up his lucrative pretense of being a psychic and joined the California Bureau of Investigation (CBI) as a consultant to the team responsible for investigating the Red John case, led by Senior Agent Teresa Lisbon. Using Janes exceptional gift for observation and his mentalist tric able to close an unprecedented number of cases, but Janes unconventional and often outright illegal methods also bring much censure down on Lisbons head, making his assistance both a blessing and a curse. Meanwhile, the hunt for Red John continues...