The Loyal Soldier Returns to Protect You

Top-tier veteran soldier Lin Hanyuan descends the mountain to investigate his family's massacre case and accepts a high-paying job as bodyguard for CEO Su Yunshu. Su Yunshu's gene therapy drug can treat Alzheimer's disease, attracting ruthless attempts by wealthy villains to steal it. With his supreme martial arts skills, Lin Hanyuan continuously foils assassination plots, befriends reliable allies, and gradually uncovers the mastermind behind the tragedy. He ensures the drug's successful launch, saving countless elderly patients.