People come from all over the world to Tumble Tree. Lucy's father lives in it, who has a special gift: he frees you from mental pain by erasing tragic memories. The girl also can’t wait to save people from their suffering. Her father promised to teach her the family trade when her daughter turned sixteen. Finally the moment has come. But everything turned out to be not so simple. When Lucy first tries to erase her father's memory, it doesn't work. But the girl discovers another vision, because of which her father is tormented by guilt - her mother on the day of her death. The next morning, Lucy wakes up with a bruise, a handful of earth in her pocket and does not remember anything about what happened. She has no choice but to trust Marco Worman - the mayor's nephew, who knows more than he should. Lucy and Marco try to figure out why there are so many gaps in their own memories and what terrible secret the mayor and Lucy's father are hiding about the city. But as the mysteries mount, one thing remains clear. There are secrets for which people will do anything...