A stay-at-home mom and avid reader of crime stories discovers the deepest secrets of a small town's residents while investigating a woman's murder.
After a serious car accident, Łukasz discovers that the blue door in his new room leads to an alternate reality.
Twelve-year-old Iwo lives in a small, post-communist town that is home to the old and destroyed Black Mill – once a place of work for many parents. Breaking the promise to not approach the old mill, the children accidentally unleash its evil powers. From that moment, nothing will ever be the same again as people and things start to disappear.
