A San Francisco airplane bound for South America crashes, and among the scorched debris is found a shrunken native human head, neatly packaged. The perplexed police contact a local anthropology museum about this unclaimed piece of grisly baggage, where they intersect with Jack and Doc, two private eyes, called there to meet a mysterious woman who had a case for them and wanted to meet in private.
Jim Bannon
Anita Louise
Michael Duane
Barton Yarborough
Paul E. Burns
Thomas E. Jackson
Mona Barrie
Frank Wilcox
Richard Hale
Ludwig Donath
Mary Newton
Edward Earle
Fred Godoy
John Elliott
Frank Mayo
Frank Martin
Coulter Irwin
Bud Averill
Harry Strang