Rewind story revolves around a youngster who to win his lady love seeks the help of a time machine which he accidentally finds. Karthik, smitten by the captivating Shanti, is about to confess his feelings when a shocking revelation throws his world into disarray. He discovers a hidden time travel machine, a device that holds the key to his past, present, and future. This unexpected twist plunges him into a whirlwind of possibilities, forcing him to confront the consequences of his actions and the impact they have on his love for Shanti. The film delves into the intricate workings of the time travel machine, weaving a narrative that explores the potential for both love and regret within the fabric of time itself.