Following a horrific accident, a woman voluntarily becomes a test subject to an artificial intelligence designed to rehabilitate her. In a world dependent on machines, she learns not all technological advancement has humanity's best interests in mind.

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。