Ormakal Marikkumo? (1977)

Kamal Haasan and Vidhubala are a happily married couple who enjoy their life. The first half is full of scenes that involve both of them. The story goes into a flashback where Kamal Haasan and Vidhubala are a couple where Kamal Haasan suspects Vidhubala and kills her. Shoba reincarnates as Vidhubala and tells the truth to Kamal Haasan. Upon hearing the story Kamal Haasan gets himself killed by running towards a lorry. The film ends in a sad note with both Kamal Haasan and Shoba dying at the end.