When Gemma's phone is stolen, Dave and Calvin team up to get it back, only to have their mission take an unexpected turn. Also, Malcolm and Marty move into their new house.

When Dave's amateur band loses its lead singer just before a gig, Tina offers to fill in, however her high standards are out of tune with the rest of the group. Also, Marty quickly regrets letting his needy boss, Jerry, crash at his new place.