In 2009, 30-year-old devout Mormon Steven Koecher takes mysterious road trips, driving great distances across the desert, eventually abandoning his car in a Nevada cul-de-sac. His last known moments were caught on surveillance cameras.

In one of the most famous cases in Portland history, second-grader Kyron Horman vanishes from his school. Months later, allegations of an attempted murder-for-hire plot lead investigators to unexpected suspects.