Mohabbatein is a Hindi romantic drama set at Gurukul, a prestigious school ruled by strict principal Narayan Shankar, who believes discipline must always come before love. When music teacher Raj Aryan joins the school, he challenges Narayan's rigid philosophy and encourages three students to follow their hearts and fight for their love. As the students struggle with family expectations and social restrictions, Raj's own tragic connection to Narayan's daughter Megha gradually comes to light. The clash between love and discipline ultimately forces Narayan to confront his past and reconsider the values he has spent his life defending.