Raat Gayi Baat Gayi' is a romantic comedy that features a night of serious partying followed by total amnesia. Rahul [Rajat Kapoor] wakes up with a bad hangover due to heavy partying the night before. As he blinks through his thoughts, he realizes he met a stunning young woman, Sophia (Neha Dhupia), in the party and sparks had started flying. But did they end up in bed making crazy love to each other? The end of the night remains hazy. Raat Gayi Baat Gayi starts with a night of questions and ends up in bed with zero answers.