Hum Hai Raahi CAR Ke is the story of two friends who on one New Year's night decide to travel from Mumbai to Pune. But a trip that should only take a couple of hours ends up becoming an all-nighters, with wacky events keeping them on the road and preventing them from reaching their destination.

Karan, a freshman, goes to live in a hostel and becomes a victim of ragging. After facing severe humiliation, he musters the courage to fight his perpetrators and also sets out to punish them.