Doug buys an ice-cream truck with his and Carrie's tax refund. Carrie is furious, but Doug thinks it's a great way to make money---until he meets the competition. Also, Carrie pretends to be a mom in a model home and starts enjoying her fake family too much.

Doug becomes supervisor when O'Boyle checks into a rehab center, and Doug promptly messes everything up; Carrie gets jealous when a coworker is promoted after confronting their boss about the chintzy bonus he gave them.