Unforgettable season 3 is the crime drama TV series from CBS channel. Storyline - in life there are memories that we'd like to forget and quite often they can be easily forgotten. And on the contrary, there are some which we would like to remember and relive again and again. The memory of New York detective Carrie Wells works quite the same; except that she does not remember what happened the day her sister Rachel was killed, which prevents her from fully concentrating at work. Soon she will be involved in a case that provides her with clues to what really happened when Rachel was killed. It prevents her to fully concentrate on work. As she works as a police detective in new York and is engaged in investigation of different things. One of them suddenly gives the heroine of the TV show Unforgettable the key to understanding what happened when Rachel was killed.