Sandwich is a family comedy-drama. The movie revolves around Sher Singh a.k.a. Shekhar (Govinda). Due to the circumstances, Sher Singh marries twice to different women, Nisha (Raveena Tandon) and Sweety (Mahima Chaudhry). He then has to juggle between the two women who don’t know the truth. However, things take a turn when Nisha and Sweety cross paths with each other which multiplies his problems. How he deals with both of his wives and continues pretending to be different men in front of each of his wives forms the rest of the movie.