Following the rise of the Vandals, a fictional 1960s Midwestern motorcycle club, through the lives of its members, young biker Benny (Austin Butler) and Johnny (Tom Hardy), the gang's leader. The club evolves over the course of a decade from a gathering place for local outsiders into a more sinister gang, threatening the original group’s unique way of life.

Loosely based on Danny Lyon's 1968 book of the same name.