When Monica starts getting visions of nursery rhyme characters, she knows exactly what's going on - she's going to have another little baby! To quell the family's protestations, she takes a test and is devastated when it comes back negative. Her solution to her emotional upset is to throw herself into making up for the lost years with the kids she's already got, but when she causes Liam to set himself alight, the kids decide something needs to be done.