The Challengers of the Unknown are a team of adventurers that consider themselves as "living on borrowed time". Led by Ace Morgan, the members of the group have a wide range of expertise that complement one another. En route by plane to appear on the radio program "Heroes," Olympic wrestling champion Lester "Rocky" Davis, master skin diver Walter "Prof" Haley, circus daredevil Matthew "Red" Ryan and War hero and jet pilot Kyle "Ace" Morgan, are caught in a storm and their plane crashes. Survivin
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