Catherine gets a visit from Celeste’s father, Jules, as Mac finds that Jo is pregnant. Even though it’s not his kid, Mac’s involvement leads Jo to the decision that she wants him back . . . Catherine decides that her ‘same time next year’ relationship with Jules has to end – as he decides he wants to move home. Brian finds that Sex on a Stick have a shot at going into the nationals – as Emma is frustrated that this is only making him avoid life’s bigger issues, like finally meeting his birth father.