Gunaa, a mentally-disturbed man, imagines a fictitious character of a woman to be his future wife. One day, he sees a girl in a temple and assumes that she is his imaginary love and kidnaps her.
Acting
Kamal Haasan's volcanic, career-defining descent into delusion.
Score
Ilaiyaraaja's 'Kanmani Anbodu' haunts long after.
Production
Kodaikanal cave transformed into fever-dream cathedral.

Director
Santhana Bharathi
Trivia, insights & behind the scenes
The cave location was so remote that crew had to carry equipment on foot for miles; Haasan insisted on staying overnight to 'become' Gunaa.
The film redefined Tamil cinema's approach to mental illness, moving from comic caricature to tragic subject—though critics still debate whether it glorifies stalking.