When “little” Ivy Black goes looking for Death, she finds him. She then learns the secret of how to trade one life for another.

As we return to the world of Black Manor in the second episode, we learn that Grandma was friends with Death, hunting together in the Tanglewood behind Black Manor. To show his affection, he gave her a book: One of the Seven Books of Death.

In the final episode of Tales from Black Manor Series 1, when Anastasia Black finds out she’s dying, she uses the secret of immortality found in her grandmother’s Book of Death. To live forever you have to kill something you love.