They walked together. Following any tunnel they wanted.
“Guys?”
It was Summer.
They hugged. Asked and answered questions. Got to know each other again. The usual stuff you do when you thought the people you just met with had died.
Brent brought them to the burning heart. Let them read the riddle. They didn’t understand either.

There were four bodies on the beach. Two boys, two girls. The paramedics showed up two days after the bodies were abandoned. One of the kids had been missing for ten years. She was pretty waterlogged, too. But… she was breathing.