Brother's Day is a 2019 Indian Malayalam-language action thriller film written and directed by Kalabhavan Shajohn in his directorial debut. Produced by Listin Stephen, the film stars Prithviraj Sukumaran, Prasanna and Vijayaraghavan. The film marks the debut of Prasanna as actor and Dhanush as singer and lyricist in Malayalam cinema. Music for the film was composed by 4 Musics.

Plot

The plot revolves around a young boy named Shiva, whose father is an alcoholic and treats him very badly because he doubts about his paternity on Shiva and blames his wife for it. Later, his mother gives birth to a baby girl and dies while laboring. Shiva names her Peeli, and starts taking care of his sister. Shiva and his sister share a beautiful and soulful bond. With time, both grow and come very close to each other. One day, when Shiva returns home he sees his father's friend trying to molest Peeli with his father's consent. Enraged, Shiva kills his father and his father's friend, and walks out of the house with Peeli, but finds many people surrounding the house. Shiva tries to escape with Peeli, but the latter who is in a state of shock after seeing her father dying refuses to move with her brother, but Shiva escapes.