For generations and generations, the women of Grunhildas family have stirred up trouble in a big, black pot. Grunhilda inherits her famous ancestors recipes and cauldron, but no one believes in magic anymore. Despite the fact that Grunhildas only useful skill is cooking up potfuls of foul brew, she finds a job listing that might suit her: lunch lady. She delights in scaring the kids until she meets Madison, a girl with thick glasses and unfinished homework who doesnt fit in. The two outsiders recognize each other. Madison needs help at school and at home, but helping people goes against everything Grunhildas believes in as a witch! Will this girl be able to thaw the Lunch Witchs icy heart? Or will Grunhilda turn her back on a kindred spirit?