Forensic pathologist Mu Siwan and CEO Bo Yan enter into a contract marriage, agreeing to keep emotions out of it and maintain mutual respect as guests. Mu Siwan stays true to her professional aspirations, speaking for the dead and bravely breaking free from the shackles of her original family. Bo Yan is touched by Mu Siwan's independence and resilience, silently guarding and gently healing her past traumas. Gradually breaking through the boundaries of their agreement in their day-to-day life, they draw close to each other, dismantle their inner defenses, run toward each other to embrace a sincere and warm love, and hand in hand stride toward a happy future belonging to both of them.