How does a gigantic steam disappear? That's the quest J.G. and Wingate must answer when they are called in to investigate the "theft" of a historic English train. Filmed in the lush countryside of England, J.G. in his inimitable style and grace, divides his time playing detective and father when his two daughters have trouble getting along.

Culver and Wingate find themselves trying to solve the largest diamond heist in Amsterdam's history. They suspect the daughters of a late Dallas gem dealer planned the crime.

Culver and Wingate investigate the disappearance of legendary fighter pilot Woody Harrell, whose new jet prototype vanished from radar, potentially costing Lime Street $200 million. Joining the FAA, Grey and Eddie suspect foul play due to the lack of wreckage.