Whenever he looks at his sister, he thinks that I can protect her forever. He once thought about watching her grow up slowly, from a little girl to a tall girl, and then see her get married and hand her into the hands of the person she loves... But, this was just "he thought"... That day, his parents did not wait for him to come home, so they took her with them. His sister has disappeared... And he has also lost his way in the huge Yingtian Mansion... The Shangguan family in Yangzhou has long been famous because it raised five upright brothers and sisters. The five of them are already "other people's children" in the words of parents in Yangzhou city. Five brothers and sisters, with different personalities and all possessing special skills, wander around the city every day to eliminate violence and keep good people safe. But one day, their father asked them to form a group with others to "fight monsters", and a "brother" was killed in the process? Did you even meet a chatty sister and brother living in seclusion in the mountains? Did he get raped by someone from a cult again? ? ? The forest is really big, and there are all kinds of birds... This is Yangzhou, where there are flowers, beauties, and the joyful grudges in the martial arts world. And, our story.