Will McEwan staggers into a church and takes his own life at the altar, leaving behind a suicide note cloaked in religious symbolism — “On the road from Gethsemane to Calvary, I lost my way” — and a pamphlet for a shadowy spiritual group “The Garden.” What would lead a young and faithful man to such desperation? Lewis and Hathaway launch an investigation, seemingly aided by the fact that Hathaway knew the victim.