No Entry is the story of three men. Kishen (ANil Kapoor). The married man, Sunny (Fardeen Khan) the Bachelor and Prem (Salman Khan, the Married Bachelor. Ironically, while the faithful Kishen has a very suspicious Kaajal (Lara Dutta) as his wife, playboy Prem has a trusting wife Pooja (Esha Deol). And then there is Sunny's to be wife Sanjana (Celina Jaitley) who is a bit of both. Trouble brews when Prem decides to make Kishen taste the forbidden fruit in the form of sultry siren Bobby (Bipasha Basu), who leads their lives to chaos, crazines, commontion and crisis. If this were not enough, along comes politician P.K. Gupta who is hell bent on creating more trouble for them all.