The eponymous Celtic warrior who rules the Iceni people alongside her husband Prasutagus. The King dies at the hands of Roman soldiers, leaving Boudica's kingdom without a male heir and the Romans seize her land and property.
Two sisters go diving at a beautiful, remote location. One of the sisters is struck by a rock, leaving her trapped 28 meters below. With dangerously low levels of oxygen and cold temperatures, it is up to her sister to fight for her life.