Mohanlal plays Chandrasekhar, a divorced IPS officer who is tasked with leading the Metro Crime Stopper Cell in Kochi. His life takes a dramatic turn when he single-handedly saves three abducted college girls and receives a cryptic note from an anonymous individual known as "Z." As a series of murders unfolds, following a mysterious alphabetical pattern, Chandrasekhar is forced to take up the investigation, leading to a thrilling cat-and-mouse game.
Grandmaster
A mastermind killer executes a string of meticulously planned assassinations in alphabetical order, prompting a veteran detective to investigate and bring them to justice.