Season four of Unforgettable features 13 episodes where the enigmatic Carrie Wells (Poppy Montgomery) and her perfect memory work with her partner Al Burns (Dylan Walsh) and the Major Crimes team of the NYPD to maintain her 100% clearance rate on a staggering number of criminal cases. Carrie, Al and team find themselves hot on the trail of New York’s most nefarious criminals including kidnappers, drug kingpins, crooked cops and a mastermind hell-bent on using Carrie’s memory for abominable purposes. Armed with her unique ability and backed up by the people she trusts most, Carrie continues to work to protect the people of New York. This season, Carrie will run into faces from her past as she is confronted with more high-stakes cases, each one more memorable than the last.