When there's a break-in at Calvin's business, he teams up with Dave for a stakeout to catch the culprit in the act. Also, Gemma is uncharacteristically reluctant to share her new hobby with Tina.

After months of crashing with Malcolm and Marty, Calvin and Tina finally reveal the impressive results of their major home renovation. Also, Dave and Gemma decide it's time to have "the talk" with Grover.