Suku Sujith Kumar, He is this old-school Facebook guy who thinks posting cringe-worthy literature on Facebook would make him cool. At one point, situations in his life put him in a space where he had to get a false mental health certificate, and around the same time, a girl named Sheeba entered his life who had issues with her family and was constantly eloping to avoid her marriage. The events that happen in the lives of these two are what we see in Painkili.