Shab is an erotic romantic drama. It revolves around Afzar (Ashish Bisht), an aspiring model who falls in love with Raina (Arpita Chatterjee) who works as a waitress at a coffee shop in Delhi. Their lives take a turn when Afzar meets Sonal (Raveena Tandon), a fashion patron who becomes his mentor. Sonal makes advances to Afzar and starts falling for Sonal and drifting apart from Raina. Where does this take their relationship forms the remaining part of this intriguing drama?