Serena, a gallery employee, is lured by her best friend into an underground casino, where she racks up a massive gambling debt of tens of millions and falls into the clutches of the casino owner, Viktor. Her seemingly ordinary car mechanic husband, Elias, is in fact "Ghost," the retired legendary God of Gamblers. To save his wife, he makes a comeback, exposing various cheating tricks at the gambling tables and engaging in a desperate struggle against the criminal underworld. The couple works together, confronting the crime syndicate, collecting evidence of their crimes, and dismantling Viktor's underground empire. After enduring life-or-death trials, they settle all past grievances, establish a new, fair casino, remain by each other's side, and win the life that truly belongs to them.