When Mike and Josh stumble onto a deadly problem, they jump right in to help. This time it's a simple matter of inventing an amazing new machine to do a straightforward job. No bad guys around, no secret enemies, no deadly attacks.

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Until there are.

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What should have been a simple jungle rescue once again turns into a fight for their lives as Mike, Josh, and all their friends face an unknown force that requires all their wits, all their knowledge, and especially all their faith to overcome.