Tina is the brightest young executive in a call centre, and an office romance adds spice to the hectic pace of work.. until a stalker strikes terror in her life. Vikram, a police officer, is sent to investigate a cybercrime in the same call centre. His life takes a dramatic turn when his ex-girlfriend, Leila, now married to someone else, re-enters his life. Soon after, his assistant ends up dead. Tina, on one stormy evening, stumbles upon the plot behind these seemingly unrelated events which turns out to be something infinitely menacing...