It's Christmas Eve and a despondent Ben looks forward to the few hours he's allowed to share with Arthur. Lisa attempts to get into the Christmas spirit, but thoughts of her indiscretion with Nathan play heavily on her mind as she struggles with the consequences. Ally's competitive spirit is called into action when a last minute shopping spree catapults her into wonder woman mode - she'll buy enough food for Christmas dinner if it's the last thing she does! Matt has a bad day when he has a run-in with chart rappers Goldie Lookin' Chain. Ben takes a compromising picture of Nathan...