The story delves into the mystery of a bus accident that occurred 25 years ago, claiming the lives of all its passengers. In a shocking twist, the same bus and its passengers reappear years later, sparking an intense investigation. The bus named "17A Kaveri Express" forms the center character in the plot.

Musicians and techies Akash and Bhoomi, bound by a five-year relationship, begin to question their future before their wedding. To find clarity, they embark on a soul-searching road trip together.