Howard is about to celebrate his birthday, not that he's told anybody about it. Word soon gets out though and the housemates decide to throw him a party at Candice's behest. Oregon wants to hijack the whole event and make it into a political fundraiser for her own campaign to become President of the Student Union.
The grouop become radical as they take part in a university sit-in organised by Oregon to demonstrate against the forced deportation of a good looking Tunisian guy. Josie ends up being taken hostage by Sabine during a PhD crisis she's currently having.