Marge, following the advice of a parenting magazine, throws away Maggie’s pacifier, leading to Maggie destroying the inside of the Simpson home. Marge decides to get Maggie a new pacifier, but can’t find the right brand. Maggie finds her own substitute – a squeaky toy that leads to Homer being unable to sleep. He takes sleeping pills and starts sleepwalking. One of Homer’s escapades leads to the entire Springfield Fire Department being sent to the hospital. As a result, Homer and several other Springfieldians become volunteer firefighters.