Meet the trio, Adheer; an ace thief, Roshni; a history geek and Dev; a ganglord in Gurgaon. A renowned scientist, Kartik Devraj, a.k.a KD captures the three and warns how they'd only be let free after the mission's completion. With KD's invention of a time machine, the trio is transported to 19th century Bengal. Saving a widowed queen from committing saati, retrieving her priceless necklace and returning to the future, the trio realize that this is just the beginning of their secret mission.