十五天，结束

“废柴”大龄男人顾大池继承了父亲的“遗产”：一家破二手书店。他决定用一个夏天把书店变现，由此认识了复读女孩蔡小心，他们整理书卖书，把面包车改成“移动书房”上路，直到发现了父亲藏在书里的“宝藏”……很快，夏天就这么过去了。

故事舞台设于云上天空王国。当王子从天空王国坠入阴雨连绵的角落小镇，救助王子的角落小伙伴们得知云上世界陷入严重水危机，为拯救王国展开冒险。

　　Duke and Yan, two long time rivals, are competing in the world’s most dangerous underground fighting tournament, where powerful crimelords can gamble and influence who they fight, the terrain they fight on and what weapons will be used. In this high-stakes bloodsport where one wrong move can mean certain death, they must decide whether to play by the rules or to cast their honor aside and team up against the dark syndicate running the tournament and bring the entire system down.

　　父亲与少年关系生疏，两人决定以一次狩猎之行缓释心结，然而深藏在森林中的灰熊，却早已为他们埋下了生存危机。