The series follows Himmat Singh of Research and Analysis Wing who draws similar patterns in terrorist attacks and is convinced a single person is behind all the attacks. His task force team of five agents living in various parts of the world aim to catch the mastermind. The story is based on an inspiration taken from nineteen years worth of national significant events.
Set in the backdrop of the mystical city of Varanasi, Asur follows Nikhil Nair, a forensic-expert-turned-teacher, who returns to his roots at the Central Bureau of Investigation, and along with his former mentor Dhananjay Rajpoot, finds himself caught in a cat-and-mouse game with a brutal serial killer. What follows is a blend of suspense, mythology and the murders of some people totally unrelated.
Women are disappearing without a trace in Rajasthan and nobody seems surprised. But police officer Anjali Bhaati notices a similarity in the cases: long nightly phone calls and a boyfriend that no one in the neighbourhood has ever seen.
Right after Ryu Sun-jae, a top star, ends his life, Im Sol, his top fan, somehow ends up at a time when they were in high school and tries to protect him. A fantasy romance unfolds where people who missed each other in time finally meet.
Mark leads a team of office workers whose memories have been surgically divided between their work and personal lives. When a mysterious colleague appears outside of work, it begins a journey to discover the truth about their jobs.