When Officer Steven Thompson is offered a movie deal after diffusing a hostage situation in a clinic, method actor Grant Kovac is hired to portray him. When Grant insist on moving in with the Thompsons to study Steven, they graciously agree, not expecting that Grant will become obsessed with Steven's wife, Madelyn. Maddie, a longtime fan of Grants, initially thinks that his behavior is part of his method. She is flattered by the attention, especially since her marriage to Steven is failing due to his depression and PTSD. After Maddie gives in to her desire for Grant while visiting the movie set in California, she soon realizes that he is dangerous and determined to destroy her marriage. Maddie finds herself torn between Grant, who has already given her something that Steven can't; or her husband who she made a vow to. When her guilt causes her to choose the latter, Grant makes one things clear, he is not letting her go, no matter what the cost. Method is a physiological thriller that allows the reader to see Maddie's vulnerability and Grant's fanatic behavior come together to provide an engaging story with a chilling ending.