After awakening in a mental asylum| a patient plans an escape to freedom| but finds an even more disturbing| supernatural world on the outside| one that threatens to 　　keep him trapped in madness fore...

根据一个真实的未解之谜，成千上万的畸形青蛙出现在明尼苏达州的水域。从一位单亲妈妈和她11岁的儿子的眼中，我们可以看到，当致命的突变扩散到池塘之外时，小镇与未知世界抗争。...

Ten years after the events of the original movie, Victor Crowley is mistakenly resurrected and proceeds to kill once more....