Main Aurr Mrs Khanna is all about love, lust and fidelity between couples, especially with the arrival of a third person. The film stars three central characters Raina (Kareena Kapoor), Samir (Salman Khan) and Akash (Sohail Khan) whose lives get entangled at an international airport. Each one now has to make a decision about their personal life which is going to have a drastic effect on the other two’s.
Samir wants to leave the city that gave him his career and love of his life Raina in search of more success and money. Raina, for whom love and loyalty is eternal doesn’t seem to feel the same in Samir; her husband. Akash a free-spirited guy falls in love with a much-married Raina, must now decide whether it’s really love or lust for his decision will decide the fate of Samir and Raina’s marriage. As Samir sets out for success, Raima has to determine whether Samir who left her for his career is more important or Akash; her best friend whom she blindly trusts. The emotions as words may sound confusions but as the story unfolds at an interesting location of an airport Samir, Raina and Akash decisions will rightfully choose the climax of the movie.