Eight months after the Chernobyl disaster, a Chernobylite woman that stayed behind to care for her sick mother gives birth to a mutated daughter. She wakes up after giving birth to find her mother gone. Masha, isolated and suffering from cataracts from the radiation exposure, becomes fearful that soldiers will take her contaminated baby. While attempting to reunite with her family in Kiev, the blinding mother and infant become lost in a forest. Masha sees a figure chasing her and believes it's a soldier that wants her child.