Charlie has since joined the Hollywood Spring Court, seeing no other option as it is the most populous court in the Hollywood. He doesn't like anything that goes on in the Hollywood, but feels as if he cannot leave his brother behind.
Thorn learns all this, and makes a pledge with Charlie to offer him a favor later, so long as that favor does not benefit the Hollywood. In exchange, Charlie told Thorn what he knew about the women that were sighted at the meeting.
Charlie called Thorn in the wake of Sam's death, alerting him to unease inside of the Spring Court of Hollywood, as well as his own discomfort.