Welcome is a comedy romantic drama. The movie revolves around Rajiv Saini (Akshay Kumar), an auctioneer. Rajiv’s uncle, Dr. Dayal Ghunghroo (Paresh Rawal) wants to get him married to a decent family, but Rajiv ends up falling for Sanjana (Katrina Kaif). Sanjana is a kind-hearted girl, who is the half-sister of a criminal don, Uday (Nana Patekar). Uday is happy with the match and arranges for the engagement. However, after learning the truth Dayal breaks off the engagement. The two lovers don’t give up and promise that they’ll make Sanjana’s family give up the crime life. Their attempt to bring a change in Uday and his follower Majnu (Anil Kapoor) is followed by a series of hilarious events.