Mausam story begins in a village in Punjab. Here lives Harry (shahid), a Punjabi boy who falls in love with a Kashmiri girl Aayat (sonam). Years go by and life takes them different places. They bump across in Scotland and the flame is rekindled. However, there come situations when both have to part ways. But not before they have to come together and reunite as one. But all this takes nearly a decade and whether their love story is finally successful or not forms the rest of the story.