Drawn up short on the edge of the road, Robb watched her race by, a shouting streak of brown and dark blue that launched his heart immediately into his throat. Was she ill? Was she being chased? He glanced quickly the way she'd come, only to find Moana panting and joyous in front of him when he looked back again.

Faltering, he took in the sight of her, wet from head to toe but buoyant. Nothing immediately wrong then, although his brow remained drawn with confusion.

"What's a reef?"