While working a quiet overnight shift at a metropolitan veterinary clinic, Scarlett Reed performs emergency surgery on a heavily wounded gunshot victim, only to discover she has operated on Leon Volkov, a ruthless underworld kingpin. Having stared into the mobster's face, Scarlett is presented with an impossible demand: marry Leon under a strict thirty-day contract or face lethal retribution from his enemies who want all witnesses silenced. Reluctantly stepping into Leon's heavily guarded penthouse, Scarlett is pulled into a treacherous world of criminal syndicates, internal turf wars, and high-stakes deceit. Despite his terrifying reputation, Leon repeatedly puts his own body on the line to shield Scarlett from lethal ambushes, awakening an intense, forbidden bond between them. As rival crime lords target Scarlett to break Leon's resolve, the clock ticks down toward their contract's deadline. Will Scarlett choose to run for her life, or stand beside the mafia lord?
