Rose Metcalf helped guide 400 people off the sinking Costa Concordia, signalled rescuers with her earring

In a dramatic turn of events aboard the Costa Concordia, Rose Metcalf, a dancer, played a pivotal role in the life-saving efforts. She rallied crew members to create a human chain, ensuring safe evacuation amidst panic. Innovatively, Metcalf descended the ship's side to reach the water's edge and signaled a rescue helicopter with a makeshift light. Her courage and resourcefulness were instrumental in saving lives during that dire night.