Ram plays dual roles of Aditya and Siddharth in Red. While Siddharth is an engineer by profession, Aditya is a crook. One fine day, a guy called Akash is killed and Siddharth gets arrested. The twist in the tale arises when Aditya also gets involved in the same case. Who has killed Akash? What is the whole flashback behind this muder? That forms the story...