Five years after Season 3, Rinku rebuilds his Chandigarh empire with his biological father Mahinder Atwal, expanding globally through a high-stakes deal with the Dhillon brothers, led by hip-hop star Bobby Dhillon. As Papaji awaits a crucial court verdict from prison, Ghosh joins Rashi in probing a chilling string of missing girls. When Papaji is acquitted and walks free, Rinku vows to destroy him. A war between father figures becomes inevitable.
