A loud sound suddenly broke from a distance, and the arguing youngsters were all startled.

“What the heck was that?” Cody turned to look upstream.

“Great,” Candace pulled a straight face, “You just woke up the monster under the lake, Scientist.”

“The lake is downstream, you silly,” Cody frowned.

“Oh, so you admitted the bedtime story is true?” Candace quipped.

Cody frowned at the upstream, trying to figure out what just happened. That sound was sudden and weird.

Thunder? It ...