if there one good suspenseful film and this be one of them . james stewart put on a dazzling performance a american dr. ben mckenna who and with his wife and son and be in africa on tour . they stumble on a murder scene and and dr. mckenna son be kidnap hour later . before you can say and fasten your seat belt and dr. mckenna find out too much about a assassination attempt and try to stop it . however and other people know he can be dangerous and ( dangerous to them and that be ) and try to dispose of him . eventually and hank and the son and be find alive and well . if you like suspenseful movie and this be the one to watch . my score represent positive .