"All three are missing!" Emerson is 12 years old and the youngest out of the Kropp brothers. The middle child was Remington who is 15 and the oldest Sebastian who is 17. The three brothers was as close as ever. But unfortunately there is always somebody who tries to ruin the fun and make people's lives a complete misery. That's was their father. Mr Kropp has joined the army and left them early as he had gotten good news of having a new child.