Hawaii Five-0 S09 E06 Aia i Hi‘ikua, i Hi‘ialo (Is Borne on the Back, Is Borne in the Arms)

McGarrett crosses the line and is arrested while investigating the death of his former SEAL buddy, who died while making an emergency landing on an aircraft carrier, and the only survivor is a baby. Also, Adam returns to Oahu with some devastating news about his marriage.