Four Seasons. Four Colors. Four different ages of the protagonists. Four true historical events. Mausam,a love story in its first season start with mere adolescent attraction between a Punjabi boy Harry (Shahid Kapoor), and a Kashmiri girl- Aayat (Sonam Kapoor), in a small village of Punjab. It develops into young love between them in season two. Their love realizes its own depth in the hours of separation through season three. In the fourth and final season their love culminates into togetherness. But not before sacrificing a lot personally and learning the truth behind universal love.