Zachary hopes that a tribal healer will repair his failing heart in return for his cooperation .
Zachary helps the People Across the Lake to abduct Polly , even though there is a strong likelihood she will be subjected to human sacrifice .
Hoping that a tribal healer will repair his failing heart in return for his cooperation , Zachary helps the People Across the Lake to abduct Polly , even though there is a strong likelihood she will be subjected to human sacrifice .