As a result of the accident, seven-year-old Masha ends up on the operating table. She has suffered severe blood loss and will die without an emergency transfusion. Finding a donor is easy these days, but when you have a Bombay phenomenon, and there are only a few thousand people with the same blood type in the world, it becomes an insurmountable problem. Only a magic talisman and her brother's heart can save Masha.