Set in the future, the survivors of the world leave the on a ship destined to a new planet but their safety is compromised when passengers are murdered.

When passengers on a future spaceship destined to a new planet are murdered, the rest must find out who is the murderer in order to survive.

"With the Earth dying a curious teen finds himself on a colony ship set for a distant solar system but when several passengers are murdered he begins to investigate in order to save the human race."

The character is around fourteen when he first boards the ship but time passes and then he is around 25. He's just a passenger but gets caught up in everything.