Shen Zhaoyi, the daughter of a powerful minister, was forced to marry the tyrant Xiao Yanheng. Everyone thought that she would end up as miserable as the previous queen. Little did they know, this outwardly gentle and frail daughter of the Shen family was actually the mastermind behind the "Tinglan Pavilion", the world's number one intelligence organization. On the wedding night, the tyrant pinched her chin and said, "I want to see how many days you can live." But she had a poisonous needle hidden in her sleeve that could seal her throat with blood, and she replied with a smile, "I want to see it too," she said.
Two people who also wore masks began a game of testing each other, scheming against each other, and gradually sinking into each other in the deep palace.