Nancy's good friend, Charlie, appears to be guilty of snake-napping from the River Heights Zoo. Meanwhile, George's brother, Scott, is being very sneaky and not acting like himself. Can these things be related? Nancy is about to find out.
Nancy wonders if her friend Charlie could be the culprit in a "snake-napping" from a zoo when circumstantial evidence mounts against him; and George's younger brother, Scott, begins acting strangely and refuses to explain what is wrong.