As each of the suspects have either a motive or a connection to David Walker, Cassie and Sunny work on trying to prove a more far-fetched theory that involves travelling across the country and delving further into the past of the suspects.
Elenco:
Nicola Walker
,
Sanjeev Bhaskar
,
Sanjeev Bhaskar
,
Trevor Eve
,
Lewis Reeves
,
Jordan Long
.