Terra worries about having to take Penny to see a neurologist and struggles with her new role as Mom. Joe hopes a visit from his cousin Sonny will lend a helping hand, but after their task to buy a car becomes an afternoon at the bar, Terra realizes she may need professional help.

Terra still doesn't fit into any of her pre-maternity clothes and convinces Joe to make a get-fit pact. While working out, Joe reflects on all the surgeries he endured as a child and hopes Penny's impending genetics test results won't reveal a similar fate.

Terra and Joe receive the long-awaited news of Penny's genetic test results. The exhausted new parents prepare for a Sip n' See party they're hosting for friends to meet Penny. Will the main topic of conversation end up being about their baby or the guest who wasn't invited?