She is the concubine {Shen Qingci} who is loved by thousands of people in the deep palace. She is aloof and distant, and she keeps pace with the turbulent palace battles. Due to an unexpected palace change, she fell from the splendid palace into a strange modern city. When he woke up, the world was turned upside down, but he met a man {Gu Yanzhou} who was very similar to the gentle guard in his previous life on the street. He was sunny and cheerful, and loved to laugh. He broke into her cold world like a beam of light. Faced with the harassment of modern strangers and gangsters, {Gu Yanzhou} stood up to protect her time and time again. The regrets of the past life are intertwined with the bonds of this life. The cold concubine Chen gradually lets go of her guard, and the sunshine boy melts her heart with warmth. An old love that spans time and space is quietly revived, and a sweet pet story about protection and true love continues to be written in the modern city.