When a fifth column of alien doppelgangers infiltrates the government and police force of Pacific City, a motley crew of average citizens who have mysteriously developed superhuman capabilities band together to save mankind.

Charlie spends the summer at his uncle's struggling pet store where he befriends Squeaky, a rat. After a video of Squeaky goes viral, the family's luck changes, but their newfound hope is threatened when Squeaky suddenly goes missing.