Rosie finally decides to leave her long-time role as Hector's co-pilot after five years, declaring her ambition to become a captain and fly the new C919 route based at Rotherham Airport. Though surprised by her sudden decision, her supervisor approves the transfer. Meanwhile, Hector confesses his long-standing feelings for Rosie, promising to treat her well after she agrees to be with him. However, Rosie reveals she has learned Hector's heart belongs to another, leaving their relationship and Rosie's future uncertain as she prepares for her new independent path.