Auron Mein Kahan Dum Tha is a romantic thriller drama about a couple's love story, spanning from 2002 to 2023. The story revolves around Krishna (Ajay Devgn) and Vasudha (Tabu) who have been in love with each other ever since they were teenagers. Unfortunately, Krishna gets involved in multiple murders and is sentenced to life imprisonment, which leads to Vasudha getting separated from him and marrying Abhijeet (Jimmy Sheirgill). After 22 years, when Krishna is released from prison, he yearns to meet Vasudha, which culminates in one final meeting between the two to know whether the emotional depth of their relationship have dampened or not over the last two decades.