Rangili Dobhan is the story of Prabha, a young woman who owns a laundry shop with her husband Mohan and lives a simple life. At first glance, Prabha looks sweet and simple, but behind her innocent looks lies a manipulative woman who will do anything to get what she wants. Prabha has a fetish for trying out her clients clothes as an act of foreplay that satisfies her sexual fantasies. Prabha develops feelings for one of her clients, the handsome Rajeev. Despite being married to Himani, Rajeev is dating another woman, Sanya. Prabha finds a way to be with the hot Rajeev, no matter how crazy it can be.