There are just two characters.  He is 17, all noisy, hearty masculinity.  She is 16, all gawky, precious self-loathing: “I’m just a caterpillar. One day I’ll be a butterfly, if I don’t get stamped on first.” They meet, they fall in love, they hear the Fuehrer’s call to populate the world with Aryan babies, and they set to work to do his bidding.