(Two powerful leads + secret identities + two male leads + court and jianghu)
Xiao Qingyan: cool, ruthless bottom x Gu Shiyan: steady, scheming top
Xiao Qingyan was conducting an experiment when the lab suddenly exploded, killing him. After death, he was born into the Xia Dynasty and became the emperor's son. Now, follow Xiao Qingyan's life in the Xia Dynasty.
In modern times, Xiao Qingyan was the leader of the international assassin organization Night Owl. After an accident, he retired from the jianghu. In the Xia Dynasty, he is the seventh prince, the child of the emperor and the regent. At first, Xiao Qingyan doesn't know that he is the regent's son. He was raised by Consort Shu when he was young, and she treated him very well. The regent also doesn't know at first that Xiao Qingyan is his child. The emperor secretly took the baby away and made the regent believe the child had died.
Gu Shiyan was also a member of Night Owl in modern times, but he died on a mission while protecting Xiao Qingyan. In the Xia Dynasty, he is the son of the second branch of the Gu family, whose parents are merchants.
Xiao Qingyan has his memories from modern times. Gu Shiyan initially has no memories of modern times, but he will regain them later.