但凡去過的地方、所有的談話、所有的喜怒哀樂，卡麗都能準確無誤地記錄在腦子裡。雖然她看似能牢記一切，卻唯獨想不起一件事：多年前她妹妹被謀殺時的細節。在為一樁殺人案提供諮詢時，她得到了一次重破過去迷案的機會。
Unforgettable stars Poppy Montgomery as Carrie Wells, an enigmatic former police detective with a remarkable gift perfect for investigations: her memory is so flawless that every place, every conversation, every moment of joy and every heartbreak is forever embedded in her mind, all except the murder of her sister. When she starts consulting with the NYPD on homicides, it gives her the chance to finally resolve the past.
