Unfolding through a course of a night in Mumbai, Kaalakaandi showcases three parallel tracks — a man who discovers he has terminal illness decides to let go of his principles and live a little; a woman involved in a hit-and-run seeks redemption and two goons must decide if they can trust each other.
Roshan Kalra is a three-star Michelin chef who gets fired from New York's Gulli restaurant after he punches a customer. Forced to take a break, he flies to Kochi to spend time with his son, Armaan and his estranged wife Radha Menon. It's a fruitful trip because he manages to mend broken family ties. In a bid to help him get his mojo back, his wife suggests he put up his own food truck and begin afresh.
Set in present day Mumbai the story follows the life of a serial killer Ramanna who is inspired by an infamous serial killer from the 1960s Raman Raghav. His strange obsession with Raghavan, a young Cop keeps growing as he closely follows him without his knowledge and often creates situations where both of them come face to face.