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.
as Benny
as Reena
as Deepak
as Aarathy
as Lazer
as Benny's mother
as Aarathy's mother
as Mary
as Ramani
as Kanjavu Vaasu
as Old orphan lady who was cared by Reena
as Sameer