Alice and Bret’s dog is dying, and he’s ruining everything. Bret takes the news especially hard and Alice feels cut out. As the stress on the family takes on increasingly strange shapes, Alice plans to get rid of Harvie to reclaim Bret’s love. But when Alice wakes one night holding an empty leash with no sign of Harvie except his severed ear, she begins to fear she's become a monster. As each woman sets out in search of what's been lost, Alice and Bret find parts of each other they never suspected, hideous and beautiful alike.