The Warlord's Secret Bride

Julian Preston (Prince Quinn) had daughter Luna. Elara died. Julian saves Aurora and Luna, marries Aurora to protect Luna. Cedric conspires against them, but Julian thwarts him. Marquis Sterling, who attempted to assassinate Prince Quinn, uses Cedric to obstruct Aurora. Sterling kidnaps Aurora, poisons the Emperor, and arranges an invasion to threaten Julian. The Emperor dies, but Julian survives. Prince Quinn's survival terrifies invaders. Julian executes Sterling.