By the time he made 7th Heaven, Frank Borzage had been directing films for ten years which are now mostly lost and forgotten. This was a big breakthrough for him. It is a hyper-romantic silent melodrama about the jinxed love affair between a street cleaner and an abandoned waif in the sewers and garrets of Paris.
The film is dominated by the performances of Charles Farrell and Janet Gaynor- who is sensational. He just desires a better job and she dreams of a husband and a home. Their relationship gets snagged on his overbearing pride, and her lack of self worth. But when they do fall in love it is with an operatic intensity that is impossible to imagine in a film made now.
There are a few problems. The religious theme is ridiculous, and the subplot on the western front doesn't work. Its greatness rests on the portrayal of unconditional love and the performances of its leads. It's an overwhelming experience. The vision of Gaynor appearing through the window in her wedding dress is a heartbreaker.
The myriad social strata are richly portrayed from the sewers up to the dirty attic on the seventh floor where they find their brief happiness among the roofs and chimneys of Paris. The sets are great and Borzage's camera is mobile and expressive. It's not without flaws, but this is a classic silent romantic drama, sweetened by a lovely, sentimental Movietone score.