After three months at the Doon School, all the boys are missing home; not least Alfie and Harry whose attendance and engagement in class have taken a turn for the worse. Ethan ruffles a few feathers when he writes an article for the prestigious school newspaper on being the first 'out' gay Doon boy. Jack goes on a trek into the Himalayas to find the source of the Ganges, on a mission to help build his confidence. And it's exam time, as the boys retake their core GCSEs. Will they get the grades they so desperately want?