Kannukkul Nilavu

Kannukkul Nilavu is a 2000 Indian Tamil-language romantic psychological thriller film written and directed by Fazil. The film stars Vijay, Shalini, and Kaveri in the lead roles, while Raghuvaran, Srividya, and Ponvannan play other supporting roles. The film marks Vijay's 25th film and his first film of the new 2000s millennium, Kaveri's Tamil debut, and the second collaboration of both Vijay and Shalini after Kadhalukku Mariyadhai (1997). The film is about a young man who has a neurological condition that results in partial retrograde amnesia and delusions due to a head injury and his subsequent recovery thanks to a woman and her psychiatrist father.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.