I find it hard to believe that a director like Edmund Goulding who could create such masterpieces as Grand Hotel, The Razor's Edge, and Nightmare Alley could also come up with Night Angel. Still if you look at his credit list you'll find a whole lot of other mediocre products.
I read that Night Angel was originally intended for Marlene Dietrich. I doubt Dietrich could have put this one over. She could never play a teen even a worldly one like Nancy Carroll does here.
Nancy is Alison Skipworth's daughter and Skipworth presides over a Prague pleasure palace and styles herself the countess and certainly takes on the airs of nobility. But there's a new crusading prosecutor in Prague played by Fredric March and he conducts a prohibition style raid on her clip joint and arrests the countess Skipworth.
But then there's the problem of Carroll who is a minor and March takes an interest in her welfare. Also taking an interest in her is the club bouncer Alan Hale. Remember this girl is allegedly a minor so these two are both a pair of lechers.
I won't go further you can see this one for yourself if interested. The Citadel Film series book on The Films Of Fredric March says this might be the worst film he ever did. I've not seen all his films, but it certainly is the worst of what I have seen so far.
Alison Skipworth is the film's redeeming feature. She knows this is a Thanksgiving feast of a film and overacts accordingly.