Homebody Su Yan accidentally becomes the powerless Demon King of Linyuan. With time-traveling General Hua, he battles monsters, tames a Silver Dragon, and hides his secret. Amid chaos over a missing magical bead needed to save his brother, Su Yan must make a critical decision to protect the demon world.
The picky Prince Zhao Fengpan, in an attempt to regain his lost sense of taste, sets up a lavish wager called the "A Taste Worth a Thousand Gold Coins." Chef Cheng Biyuan, seeking to save her brother, comes to take on the challenge. With a bowl of "Longing Soup," she awakens the prince's taste buds and is subsequently coerced into becoming the royal chef. Thus begins a life in the palace where the two engage in a battle of wits, tempers, and culinary skills.