Zoe digs for clues on Chad and Hannah Gaines. Erica produces an unusual find for Morrison and Claire.

Zoe meets up with Jack. A town hall meeting raises questions. Francisco shares what he knows about the strange figure in the photograph.

A lonely road. A Greyhound bus. An unsettling discovery.

Vernon begins to uncover things he can't explain. Zoe receives an unexpected call. Robert makes a startling find.

A long day of searching is followed by a restless night. Zoe follows a lead on a similar disappearance.

Zoe arrives in Duggan Hill. The search commences.

The final calls placed by Sasha Ismond before her disappearance.