Mon Jaane Na: Amir (Yash) is a young, lonely guy who earns his living through taxi driving. Seeing him companionless, his friend advises him to get married in order to have a stable life partner. Hence, Amir seeks help from the local maulvi who introduces him to a shy, orphan girl, Pari (Mimi). He falls in love with her at first sight and they get married.
Soon after marriage, Pari comes across certain secrets of Amir and she goes missing. For two years Amir frantically searches for her throughout the city being a taxi driver. One day he discovers her outside a hotel in an unconscious state. However, Pari is no longer her demure self but has transformed into a reckless drug addict and gone into prostitution.
Who is responsible for this crisis? What actually happened to her? Will Amir be able to bring back his wife to her old self and discover the people responsible for her condition?