Heiress Katherine Graham's bodyguard, Landon Voss, saves her from Uncle Richard, who colludes with Black Viper Syndicate to assassinate her. Katherine uncovers her mother's murder truth and develops feelings for Landon. She confesses love, but Landon, with war trauma, cannot accept. Richard is arrested. Landon leaves due to dangerous identity. Katherine becomes CEO, Landon returns to battlefield. Separated, they love and watch over each other.