CHAPTER THIRTY TWO

Caitlin and Caleb had been flying for hours since they’ve left Eilean Donan Castle, heading east, across the vast country of Scotland, getting further and further away from the Isle of Skye. Caitlin had not stopped thinking about the moment when they’d opened that chest in Eilean Donan. Inside, sitting there, had been a single, shining, gold key. It was a small key, and seemed to glow with electric energy.

At first, she had wondered if it could be the fourth key. But he had shaken his head, and told her it was different, and she could see that, too. This was one small and gold, whereas the others were large and silver. Caitlin had reached in and picked it up, and examined it in her palm. She’d flipped it over, and spotted a small inscription: “All doors lead to Rosslyn.”

Caleb had gasped when he’d heard the phrase.

“Rosslyn,” he’d said. “Rosslyn Chapel. Of course. The rumored home to the Holy Grail.”

They had not stopped flying since, racing for Rosslyn, the new key sitting in Cai