A biplane pilot is saddled with a spoiled industrialist’s daughter on a search for her missing father through Asia that eventually involves them in a struggle against a Chinese warlord.

A down on his luck engineer gets involved in an adventure with a mysterious woman and an emerald magnate.

In the early years of the 20th Century, two British yachtsmen (Michael York and Simon MacCorkindale) stumble upon a German plot to invade the east coast of England in a…