Ex-military elite Ye Ming reluctantly enters a contract marriage with Jinling business tycoon Lin Ran to raise funds for his mother's life-saving surgery—posing as her fiancé to escape forced marriage by a powerful family. But as a mere security guard, he's repeatedly humiliated by his ex-girlfriend Meng Fei and her new boyfriend Wang Xing—then draws the wrath of aristocratic clans like the Wangs and Zhaos when he steps in to protect Lin Ran.