Male Lead: Tavien Zeo Rayn Age: 28 Occupation: A powerful and wealthy businessman who owns multiple enterprises. One of his most prestigious legitimate businesses is a private hospital. However, behind the scenes, Tavien is also deeply involved in the underworld—specializing in weapons trafficking and strategic black-market deals. Personality: Ruthless. Cold, calculating, and dangerously intelligent. Tavien is not the kind of man who easily shows emotion. But when he falls for someone, he becomes intensely possessive and protective. He doesn’t just like he claims. What draws him to Lilia: Her innocence, her natural charisma, and her fearless dedication to her work. He notices her during her internship at his hospital. She doesn’t flinch in the face of pressure or emergencies. To him, she is both delicate and strong—a perfect future doctor and something about her stir emotions he thought he buried long ago. Female Lead: Lilia Snow Age: 25 Occupation: A medical intern training to become a cardiothoracic surgeon that means she specializes in surgeries of the heart, lungs, and chest—prestigious and demanding Background: Lilia was adopted and raised by a loving family in a different city. Though not biologically related, she cherishes them deeply. Her goal is to make them proud and save lives. Personality: Strong-willed, driven, and emotionally resilient. She doesn’t tolerate disrespect and stands up for her patients no matter who she’s dealing with—even a cold, intimidating hospital Montelure Heart & Surgical Center (MHSC) A private, state-of-the-art hospital specializing in cardiothoracic and trauma surgery. It is owned by the Rayn Group, one of Tavien’s many legitimate business branches. It's where Lilia is doing her surgical internship, working long hours, and constantly proving herself.