In Unstoppable, Lopez stars as Judy Robles, a single mother whose son, Anthony, goes on to compete as a one-legged boxer. Judy encounters many difficulties while raising her son, who is committed to succeeding, and in the meantime, she is dealing with her own trauma due to certain abusive relationships.

Jennifer Lopez relates to her Unstoppable character Judy Robles, sharing similarities in their challenging relationships amid split with Ben Affleck.