The queen of the human race gave birth to twin sisters, one good and one evil. The elder sister Qingkui was gentle and kind-hearted, respected by the human race, and was named the concubine of heaven by the gods. The younger sister Yetan was smart and cunning, but was bullied, so she was promised to be the devil's concubine in the devil world..When the two worlds of gods and demons were welcoming their bride, the twin sisters' sedan chairs were accidentally exchanged. Ye Tan and the god Xuan Shang became happy enemies, while Qing Kui became a demon and became a pawn for the three princes to mock each other and compete for the throne. The two couples made countless jokes and...The affection for each other gradually grows.At this time, the crisis of annihilation strikes. After the four realms learn that the identities of the twin sisters are related to the life and death of the four realms, they want to kill the twin sisters. The four people face a huge test between caring for the common people and adhering to love.The two sisters finally broke through the situation with courage and ushered in the light after the darkness.