Action Replayy is a science-fiction romance comedy-drama. The movie revolves around Bunty (Aditya Roy Kapur), a young man who is scared to get married because of the loveless marriage of his parents. Bunty shares this with his girlfriend’s grandfather, Anthony Gonsalves (Randhir Kapoor), who is a scientist working on a time machine. Bunty decides to go back to the 1970s using the time machine to make his parents, Kishen (Akshay Kumar) and Mala (Aishwarya Rai), fall in love with each other. However, things are much more complicated than Bunty imagined.