"不认识自己的弱点才是最大的弱点。"——爱德华·艾尔利克，《钢之炼金术师》Itfollowsasinger-songwriterinadownwardspiralasshetakesalasteffortgigatamotorcyclerallyinSouthDakotawhereshemeetsCasey,aguitaristwhowalkedawayfromhisdreamlongago.
