A teacher in the middle of a messy divorce discovers that her husband has been recklessly dumping nuclear waste and wreaking havoc on the nearby wildlife. Now, she must contend with a feral, mutated rat in her home, and her soon-to-be ex who will do anything to keep his secrets.

A Mexican scientist flees the US for Mexico with a secret formula he discovered to benefit his country. However, the US government is unwilling to let that information slip away and send a CIA agent to retrieve it.