Sam and Diane’s new relationship together gets off to a shaky start, which comes as no surprise to anyone at the bar. Cliff falls head over heels for Carla’s innocent-looking younger sister, who is sitting in for Carla while she has her baby. But what Cliff doesn’t know is that she isn’t as innocent as she looks. Diane decides to find a new job because Carla now thinks Sam is playing favorites for his new girlfriend.