Dylan Shaw, captain, returns home. To raise millions of dollars for the surgery of his ill sister Hazel Shaw, he applies for personal bodyguard for Serena Chao, CEO. Dylan defuses crises with combat skills, saving Serena Chao and her best friend Faye Yates, and develops romantic entanglements with the two women. Threats targeting Serena escalate, and the mastermind behind the scenes comes to light. Hazel experiences transplant rejection, and crises strike.