In this reboot of Cliffhanger, seasoned mountaineer Ray Cooper (Pierce Brosnan) and his daughter Sydney run a mountain chalet in the Dolomites. During a weekend trip with a billionaire's son, they are targeted by a gang of kidnappers. Ray's older daughter Naomi (Lily James), still haunted by a past climbing accident, witnesses the attack and escapes. To save her family, she must confront her fears and fight for survival in the Italian Dolomites.