Framed as the notorious Night Devil on his wedding day, top detective Xiao Beiming is accused of murder and treason, forcing him to flee. Three years later, he returns to the capital, earning the trust of his apprentice sister, Zhong Xueman. With a team of fearless allies, he unravels a series of mysterious cases, to expose the real Night Devil and restore order to Da Qi.

A series of romantic encounters between two heroines and four "virtual" idols. It's a call to return to reality, cherish life and reap a beautiful love. Lu Xiao is warm as spring in the virtual world but sensitive and lonely in real life. Jiang Kele may lead a difficult life, but she still dreams of meeting the perfect prince.