I Am Number One

Seven years ago a terrible fate happen to a village inhabited people. Two parents running away trying to protect their kids along with a mysterious person ask to take care of there kids as an enemy had its attention to them. Now the grown kids finds the truths and goes on the journey getting back revenge. As they journey begins they discover powers and train each day going through the tough obstacles along the way. Who do you think can be the chosen one the person for told it would be?How will their journey end?