A drunk stork drops off a bundle at the wrong house, that of Mr. and Mrs. Sylvester. The bundle turns out to be a baby Gerber's mouse. Mrs. Sylvester wants to keep the baby, but Mr. Sylvester wants to eat him until the baby calls him daddy and he changes his mind. The neighbor cats want to eat the mouse when the see him, but Mr. Sylvester saves him. When the stork comes back to fix his mistake he accidentally takes Mr. Sylvester to the mouse family.