When TV actress Shagun Seth mysteriously dies in a beauty parlour in Mumbai, her mother slams murder charges on Shagun’s banker husband Chetan Seth. Chetan’s family suspects that he is being framed and requests private detective Mili Ray to investigate. As Mili and her lawyer-associate Gatha start work, Chetan is released on bail. Soon after, Shagun’s mother is killed! Is Chetan responsible for these murders? Mili probes deeper and unravels shocking secrets buried beneath Shagun’s world of glitz that leave her baffled. An insecure boyfriend, an estranged husband, an opportunist colleague, a cunning TV producer – Shagun was surrounded by Haters. Even her twelve-year-old son didn't want to see her alive. Why did everyone hate Shagun? While meandering through dysfunctional family upheavals and dark showbiz sagas, ex-super cop Mili Ray also struggles to tame her own internal demons. Will she be able to solve her second case as private detective or succumb to pressure and hang up her boots? "Who killed the murderer?" is a gripping psychological thriller that will hook you right from the first page.