Mary Poppins is a kind witch, she always helps those in trouble. Brock Doom has been helped by her for a long time, now he has grown up and has a son named Seth Gamble, but the young man lives very irresponsibly, does not care about anyone else, everything is left to his father. must clean up. While Brock was thinking about finding someone to help him teach his naughty son, Mary appeared, she told him to rest for a few days, she would take care of Seth.