The Last Crystal

Set against the backdrop of World War II, four siblings embark on an extraordinary journey after their father is injured. Their mundane train trip to California takes a thrilling turn when they encounter a mysterious passenger who enlists them to deliver a crucial message. They meet the enigmatic Celeste, who entices them into a quest for a legendary crystal said to have healing powers. After a daring escape from her grasp, the children find themselves in a prehistoric landscape, relying on their bond and Grace's unique ability to navigate their way home.