The heroine You Feiran is an orphan. One night, she accidentally walked into the bloody No. 9 Mansion and met the male protagonist and the owner of the mansion - the blood clan Bai Mochen. However, Bai Mochen did not suck You Feiran's blood, but let her live in the No. 9 Mansion. While You Feiran thanked Bai Mochen, she also fell deeply in love with him. However, the vampires are not allowed to fall in love with foreigners, let alone humans. What kind of ups and downs will the love between You Feiran and Bai Mochen go through? At this time, within the vampire clan, a conspiracy also quietly began. At the same time, the mystery of the heroine's life experience will also be revealed