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, play boy 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 that he loves so much. This forbidden fruit assumes the form of sultry siren Bobby (Bipasha Basu), who walks through the board right into the lives of them all, leading to chaos, craziness, commotion and crisis.

Who is the Bobby, who manages to turn all their lives topsy-turvy? Astonishingly, each one has a different answer to his question:

Kishen dupes Kaajal into believing that Bobby is Sunny's wife. On the very contrary Sunny tricks Sanjana into believing that Bobby is Kishen's wife. For Pooja, Bobby is an unknown devil while for Prem she is the trump card.

If this were not enough, comes along politician P.K.Gupta who is hell bent on creating more trouble for them all.

No Entry travels on the road of laughter, with milestones of humor, speed-breakers of ticklish moments; right turns unpredictable fun and signals of wackiness.