Yu Huan resurrected her life and just wanted to live peacefully in the harem, but unexpectedly found that she could hear the emperor's heart. But the young emperor, who looked majestic on the outside, was actually a time-travelling social beast who was afraid of women and loved gold and silver. She acts according to her heart and avoids minefields accurately. Instead, she is regarded as "the woman who knows her best" by the emperor, and she is constantly favored. The concubines were vying to frame him, so she took advantage of them; the emperor complained in his heart, but she was secretly amused. A beloved concubine who just wants to lie down, and a king who is forced to do business, gradually develop true feelings amidst misunderstandings and heartbeats.