Derek from the first episode of series , prepairing his homework and having SMS dialogue with older mate.
A visit change everything.
Against optimism of Benji, biscuits and immersion in pool, words and kisses , the mark remains the high vulnerability of Derek who becomes a version of Zander.
But, sure, the star of episod is blue Benji , looking define his feelings about Derek, using, in good manner, his optimism, proposing encouragement to obvious fragility after not happy experience and hope.
So, the 21 st birthday of poor Derek and a British friend in his help and affection.