Raquel Welch is Fathom Harvill, six feet or so of sexy skydiving daredevil, in this thrill-packed action tale. Recruited by a Western government agency to parachute into a European compound and recover a missing nuclear triggering device, Fathom finds herself landing in a perilous conspiracy involving Communist Chinese spies, missing jewels, and a mysterious agent (Tony Franciosa). Ronald Fraser, Richard Briers, Clive Revill, Elizabeth Ercy also star. 99 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo.