Hawaii Five-0 S09 E02 Ke kanaka i hāʻule mai ka lewa mai (The Man Who Fell from the Sky)

When a vacationing dad on a flight to Honolulu is kidnapped and forced to parachute mid-flight, Danny, Tani and Junior track him through the jungle to discover that he may not be who he seems. Also, McGarrett is threatened with a secret from his past.