Rules of Protection: The Bodyguard I Hate: Elena and Ace used to be engaged for marriage. But, after Ace is disabled from the war, he pretends to cheat on Elena to save her from his new disability. Three years pass until the CEO of a medical insurance company gets shot. Elena needs a personal bodyguard, and Ace just happens to be the one for the job. Will Elena and Ace repair their rocky past and reignite the love they once had for each other?