'Ekk Deewana Tha' is a youthful and contemporary love story that delves into concepts of compatibility, attraction, social norms in romantic relationship.
Sachin is an engineering graduate from a middle class Mumbai family, but his passion is for the world of cinema. He is dreaming and planning for a future as a director, when he sees Jessie. It is love at first sight for Sachin.
However, Jessie is from a strict Malayali Christian family, and her parents would never approve of their romance. The other problem is Jessie insists that she doesn't want a romantic relationship, but wants only to be friends. Of all the girls in the world why did Sachin have to fall for Jessie?