Ethan Shaw spent the entire afternoon restless and uneasy. He couldn’t lie flat, as doing so made breathing even harder.

Fear crept in—what if he fell asleep and never woke up?

He considered calling Lucy Archer but hesitated. He didn’t want to worry her, nor did he want to endure her scolding. After much deliberation, he decided against it.

On Friday evening, Vivienne Brooks called. She hadn’t reached out to Ethan all week.

"Are you ...