Watch Online Free on Watchseries. Dhananjoy, a police detective, is drawn back into the case that ruined his life and career at the request of his colleagues. Reluctant at first, he dives headfirst into the case to nab the culprit after he finds some new and alarming clues. Arko, meanwhile, carries on murder after murder, seemingly taking inspiration from the five elements - earth, water, wind, sky, and fire.