'The Iron Claw' is a tearjerking power ballad of a movie

Coached by their father Jack (Holt McCallany), brothers Kevin (Zac Efron), David (Harris Dickinson), Kerry (Jeremy Allen White) and Mike (Stanley Simons) are pushed to become a wrestling dynasty. Jack's domineering attitude clashes against his sons, all of whom are eager for his approval but protect one another. However, as their careers progress, the brothers are rocked by unimaginable tragedy, giving rise to the belief that the family itself is cursed...