David prepares to hand Ollie over to his aunt, who will be taking him back to Rosa in Spain. With their separation imminent, father and son spend one last day together - in the ER. Iain suspects Gem is up to her old tricks when she short-changes a customer at the coffee shop, and Dylan presents himself to the board to pitch an idea to raise awareness of alcohol abuse. However, when his presentation fails to hit the mark, Louise takes matters into her own hands, and drags the board members into the corridors of the ER to witness firsthand the pressure binge drinkers are placing on the hospital's resources