king of the underworld feature an early role for humphery bogart in one of his many gangster role . he play joe gurney who use a female doctor to treat his men and pay her for it . he follow her when she go to live with her auntie after one of gurney men kill her doctor husband who also work for him . gurney kidnap an author on his way to find the female doctor and get him to write his life story and he then plan to kill him . he finally meet up with the doctor and after she give gurney and his men a substance that make them temporarily blind and she and the author and who have now fall in love manage to escape just a police arrive . joing the excellent bogie in the cast be kay francis and james stephenson and john eldredge . watch king of the underworld be a good way to spend just over an hour one evening . rating represent 3 star out of 5 .