Callista looked up at him, her eyes searching his. "Sam, what are we going to do?"

He let out a breath, his expression grim.

"Whatever we have to," he said.

"Do you think they're looking for us?"

"Probably," he said. "But the truth is, no one knows where we are. It could take weeks before they find us."

"Weeks," she repeated in a lower voice.

"Yes," he said.

"And if they don't find us?"

"Then, we'll have to find a way off this boat."

"How?"

"I don't know," he admitted.

"Well, we can't just sit ...