John Smith who has gone by many other names is not from this planet. He and his guardian move from town to town trying to avoid a run in with Mogadorians. There were nine kids like John who were sent to this earth all with powers and they can only be killed in order John is number 4. After getting a vision that number three has been killed things start to heat up. He and his guardian move to a small town in Ohio where John meets Sarah. Things only get complicated from here. The Mogadorians catch on to where John is. Will he end up like number three? Where are the others? Watch to find out.