The roommates go from blowing out candles for Kyle's birthday surprise to a blowout fight that derails everyone's good time and leave Lindsay and Everett on the brink of a breakup. Meanwhile, at Model Volleyball, Cristina serves up some juicy gossip that Jaclyn hasn't been a model friend to Lauren. And at long last, the Wirkus parents meet the infamous Carl.

With a scandalous secret looming over Lindsay and Everett's relationship, the pressure is on for the power couple to sink or swim. The roommates must come together to throw a race for charity, but not everyone will make it out in one piece. And finally, Cristina's meddling catches up to her when Lauren and Jaclyn go on the attack.