Ted and Barney get involved in a fight at their local bar to experience one and impress Robin respectively. Their friend Doug does all the fighting, but allows Barney and Ted to take credit in the fight.
Ted and Robin start having casual sex to end domestic conflicts such as Robin never taking the rubbish out or leaving empty bottles of milk in the fridge.
Owen and Cristina navigate their relationship amid the pending lawsuit; Bailey and Ben argue over wedding plans; while Jackson is distracted by a shocking situation with April, Callie asks him for help fixing Derek's hand.
