Trama
A sabotaged uranium plant explodes in a blazing inferno. Mountaineers in the Himalayas are mysteriously disappearing. What's the connection? Jeff Tracy assigns Lady Penelope and Parker to investigate. Exploring the mountainous Everest region by SkiCopter, the duo soon find themselves in grave danger when they discover their guide isn't who they thought he was. Scott Tracy blasts off in Thunderbird 1 but will he arrive in time?