What happened in the book stone cold?

It is about a homeless boy is called Link and a girl is called Gail and a boy Shelter.

Gail is a Lie she lied at Link that she is homeless and about her name and who she is. Shelter is a killer he kills homeless people because he doesn't likes homeless people and Link thinks he was the only homeless person but when he meat ed Gail he thought he wasn't the only homeless parson but when he found out she lied about everything he changed his mind and sed i am the only homeless parson.