Mark (Channing Tatum) is a professional wrestler. In his past career, he has also had brilliant victories. However, now, all the glory has faded, and he is just an unknown person who does nothing. Mark's brother David (Mark Ruffalo) is also a wrestler. The two brothers have a very good relationship with each other, but Mark understands that David has his own family and career, while he only has wrestling. One day, Mark was accidentally invited by a mysterious wealthy businessman named John (Steve Carell), hoping that Mark could become a member of the wrestling team he formed. In John's wrestling team, Mark found his own value. He was deeply used by John and became John's only friend. However, with the passage of time, when David also joined the wrestling team, everything began to change. This film is adapted from a true story.