Here's a helpful review:
The movie is loosely based on the classic fantasy novel "The Seventh Son of a Seventh Son" by Orson Scott Card. It tells the story of Tom (Kit Harington), a young man chosen by the mysterious and powerful Master Blagg (Peter Sarsgaard) because he's born the seventh son of a seventh son, believing him to be the savior against evil forces lead by Mother Malkina (Djimon Hounsou). seventhson20141080phindienglishvegamovies
Available on Amazon Prime Video, Google Play Movies, and Apple TV. Here's a helpful review: The movie is loosely