1962 Japanese movie

With the object of discovering the male accomplice of Hideko, a bad girl, Michiko, a police-woman, disguises herself and infiltrates a gang. Then in a reformatory, under the name of Suzuko, she finds a certain girl who is familiar with Hideko and from her she approaches a woman, named Keiko. One day, at a beer-hall, the police-woman meets Keiko who just finished a secret narcotics transaction and asks her about Hideko. However, with the sudden appearance of Saburo, one of the gang, her search fails, and an exciting pursuit begins. Later Keiko is found dead.

Arrested for the murder of her wealthy businessman father, convicted on false evidence and sentenced to death, Kyoko is determined to prove her innocence.

The year is 1945, months prior to Japan's ultimate defeat in WW2, and military lieutenant Sugawa is sent on a critical mission to deliver micro-fiche war plans to Tokyo from his base in Malaysia. But while flying over Chinese waters his plane is shot down and he is taken aboard a ship bound for Shanghai to deliver its merchandise - a ship filled with Female Slaves kidnapped from Japan. Will he abandon the women to pursue his main objective? Or will he fight foes, spies and pirates to save these women against all odds?