Detective Ma Seok-do, a seasoned but unconventional cop, is recruited to join the Cyber Investigation Team in a high-stakes mission to track down Baek Chang-ki, a notorious former mercenary who now leads a massive online gambling syndicate. As Ma navigates the world of digital crime and high-tech investigations, he uncovers a web of corruption and violence that extends far beyond the gambling operation. Tensions rise as Ma’s relentless pursuit of Baek puts him at odds with his team and dangerous forces that will stop at nothing to protect their empire. In this intense cat-and-mouse chase, Ma must use all his street-smart tactics and instincts to bring the ruthless criminal mastermind to justice.