"Unforgettable" is a 2017 thriller film directed by Denise Di Novi. The story follows Tessa Connover, played by Katherine Heigl, who struggles to move on after her marriage ends. When her ex-husband remarries, Tessa becomes increasingly obsessed with his new wife, Julia Banks, portrayed by Rosario Dawson. As Tessa's fixation intensifies, she resorts to manipulative and dangerous tactics to reclaim her former life. The film explores themes of jealousy, revenge, and the psychological impact of heartbreak, culminating in a suspenseful confrontation between the two women.