Women Can’t Be Beaten aka 喜劇 女は度胸 is a film from Japan, released in 1969, starring Mitsuko Baisho, Nijiko Kiyokawa, Hideko Okiyama, Kenzō Kawarasaki, Tokue Hanazawa, Ichirō Arishima, Gajirō Satō, Sota Ohashi, Masumi Harukawa, Chiharu Kuri and directed by Azuma Morisaki.
Plot: An uptight young man comes to suspect that his factory worker girlfriend has a secret involving his boorish older brother.