Marissa, Blair, and Sam decide that Brittany's pot addiction has gotten out of hand, so they confront her with an intervention. Cupcake and Tammy's friendship is tested by their opposite views on dog-human-relations.
After a long day of emotional mind-games and wine throwing, Brittany is able to earn her place back in the group...for now. After the dogs get a contact high from Brittany's stash, Cupcake has a realization that shatters her world view.
Marissa is furious that Brittany has not been an attentive dog sitter. In a rage, she locks Cupcake in time-out. Tammy, Bruce, and Spot go on an expedition to find the Stray, hoping he can provide some clarity to help save their friend.
The dog park pups hatch up a plan to escape their moms at Bruce's birthday party, but it's awfully risky. Will they make it out alive? This will be one birthday party you'll never forget.
