Assistir Filmes em Português. 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.