Monalisa is dubbed version of Kannada movie Monalisa. Dyan (Dyan) and Mona Lisa (Sada) who are romantically inclined. But Monalisa is a daughter of rich NRI parents and is said to perish in an accident. So Dyan does what all the heroes are supposed do in such situations.
And his parents do the routine thing of getting him married. The script then turns even more routine with the wife named Spandana, looking exactly like Monalisa. So our guy has difficulty in coming to terms with her. But by the time he is ready to, the ghost from the past, Monalisa resurfaces.