Modern forensic doctor Rong Yu transformed into the empress Liu Wei who was sentenced to death, and was reborn as a cold palace maid. After being bound to the "Poison Concubine Eating Melon System", she discovered that the white moonlight of Emperor Xin Yu was actually her previous life! A series of mysteries in the palace: the Queen Mother used future technology to create a double, the concubines of Guanju Palace died suddenly and mysteriously, and many bones were buried under the hibiscus flowers... While Rong Yu was eating melons to detoxify, he was forced to attack the blackened emperor, but he revealed the cruelest truth - Xin Yu's memory had been tampered with, and she was the person he really wanted to protect but killed twice with his own hands.
