
The Yale family is cursed. They suffer from a Blood curse called The Yale Blood Hex. The symptoms are that one day every month they will feel worse than death, lose their mind, and go crazy hurting others. They need the blood of the extremely good person, the "Daughter of the Best", to relieve the pain. Eugene Yale, with the help of Serena Hale, The Blood Curse was transferred to Serena Hale and finally vanished completely.
Source: PineDrama. Rights belong to the series’ studio and platform.