When the Polish au pair Karina goes grocery shopping with the family's children, she notices that the mother does not trust her with her PIN code. A small rift appears in the bond of trust between Karina and the family, with all its consequences.

Within the confined space of a family home, the parents engage in a peculiar exercise known as the "paradox intervention", which forces them to have scheduled fights. Meanwhile, their daughter seeks solace upstairs until she realizes that she may not be alone in the room.

Decades after dying, a baby boomer finds herself navigating a brave new world when she occupies the body of a Gen Z teenager.