A Max Rydal Military Mystery - During an intense heatwave, the West Wiltshire Regiment engage in a military exercise â€" but at its conclusion, Private John Smith is missing. Smith's sergeant is adamant he's gone AWOL, but then the Special Investigation Branch receive a chilling anonymous phone call. Military detectives Max Rydal and Tom Black are called in to investigate â€" and then Dan Farley, the new Platoon Commander, also disappears . . .