Hong Doo-kke, who lived on a secluded island to escape the Imjin War, ventures into the sea on the anniversary of his father’s death to find a sea anemone. However, he is reborn into an alternate Joseon era in another world…! In this alternate Joseon era, a curse afflicts men, causing their descendants to wither. Reincarnated as Hong Doo-kke, he faces a challenging trial alongside Princess Somyeong to overcome this curse. Will Hong Doo-kke be able to break the curse of this alternate Joseon era and ascend to the throne?...