Simon is confused, and Josh can sense it. They're just friends, best friends, so close they're pretty much brothers. But after one video Simon begins to feel that brotherly love turning into more than that. A physical attraction, he's in love. But Josh is none the wiser, until he notices more and more how absent Simon is becoming from the Sidemen. When he goes to find out why he doesn't realise that one quiet knock on a door could turn into so much more ...