《纸房子》第 4 部分在混乱中开始：教授认为里斯本已经被处决，里约和东京炸毁了一辆陆军坦克，内罗毕在生死之间挣扎。该团伙正在经历其最艰难的时刻之一，而敌人的崛起将会把抢劫行动置于严重的危险之中。

The Professor and his team reunite to free Rio, this time targeting the Bank of Spain with a daring and dangerous new plan. The Resistance continues.

八名窃贼将自己与人质反锁在西班牙皇家造币厂内，他们背后的犯罪首脑则妄图操纵警察实现自己的计划。

Under the guidance of The Professor, a group of eight very peculiar robbers have attacked the National Coinage and Stamp Factory of Spain and took hostages to carry out the most perfect robbery in the history, aiming to take home 2.4 billion Euros in cash.