When Athena Greydon's fiance ends their engagement a month before the wedding, she has no choice but to pack up her few possessions and move into the Spite House she recklessly bought him as a wedding gift. Which is a real problem, for several key reasons: The house is only ten feet wide. Her ex's home is literally attached to hers. And Dr. Matthew Vine the Freaking Third - AKA the uptight, judgy jerk who convinced his younger brother to leave her...

Bub the pug has never seen snow before, and when Duchess the cat tells him it is frozen rain he is appalled and does not want to go out even to play with his human, Bella--but the week is about to get worse because a new family has moved in next door, and they apparently have a pet monster (at least if Nutz the squirrel can be believed) and Bella's mother has arranged a play date for Sunday.

Mr. Whiskers faces a gloomy Christmas until Maggie and her grandmother help him straighten out his house and find the deed to the nearby pond.