The story begins when Susan Simmons returns to school from spring vacation. Susan has been looking forward to the big class play her teacher has been planning. But to her dismay Ms. Schwartz is gone . . . replaced by tall, handsome Mr. Smith, a strictly "by the book teacher" with some very strange habits. Investigating her new teacher, Susan makes a shocking discovery: "Mr. Smith" is actually an alien named Broxholm who is planning to abduct five...