Flash (2007)

Mithun Madhavan (Mohanlal) appears as a Mumbai-based Information Technology industrialist but a psychologist in reality. Priyan (Indrajith) is a software engineer working under Mithun. Priyan is in love with his uncle's daughter Dhwani (Parvathi) who was born and brought up in Chennai. The rest of the story deals with the disturbing events in Dhwani's life and how Mithun helps her overcome those.