Venu works at a roadside shop and loves Jyothi, a maidservant in the nearby apartments. Before Venu gets a chance to express his love to her, she meets with an accident and he is arrested.
The story features the friendship between a father and son. Maanikunju was living his dream when the 17-years-old Vishnu walks in to their life. With some hidden intentions, Vishnu befriends Maanikunju and his friends. But the nature of his father leaves him surprised. Another person Shankaran Nampoothirippad acts as a tool between the two. What follows next forms the rest of the story.
The story of Black Butterfly focuses on how certain pranks played by plus two students, later turn out to be serious troubles in the life of many. The film portrays the theme of romantic love between two pairs of lovers. Reena enters the life of Benny who has lost his parents. The other pair is a plus two student Deepak and his lover Aarathi. The story revolves around these characters.
