In this third installment of the popular Psycho franchise, the Bates motel is once again open for business. When a troubled nun seeking refuge from her past sins arrives at the infamous Bates motel, a recently rehabilitated Norman Bates (Anthony Perkins) is happy to provide a vacant room. As a bizarre relationship grows between the unlikely pair, a relentless reporter and the local town sheriff are intent on uncovering the truth about Norman's past.