The movie revolves around two couples with age gaps of 15 years. Yogesh is a Berlin return 40-year-old renowned painter and Nivedita is a 39-year-old interpreter who lives alone in her flat no. 404. The other couple, Piyush, 25 years old, is a social entrepreneur and his girlfriend Navi is a 24-year-old free soul. They both are in a live-in relationship and live in the flat number 304 of the same building. One fine day, both couples decide to get married with their reasons and somehow their marriage gets exchanged at the marriage registrar office due to the name and address confusion. The couples get into a quarrel with the officials and they (Registrar) reject the plea to correct the names. Later on, on basis of a valuable suggestion, they decide to get remarried to original partners after taking divorce after a year.