A young man saves a teenage girl and her younger brother from a shark attack. The family welcomes the hero into their home, then soon discovers he has a dark and disturbing past.A young man saves a teenage girl and her younger brother from a shark attack. The family welcomes the hero into their home, then soon discovers he has a dark and disturbing past.A young man saves a teenage girl and her younger brother from a shark attack. The family welcomes the hero into their home, then soon discovers he has a dark and disturbing past.