Rosamunde Pilcher: Schneesturm im Frühling 1996 on netflix

Caroline Cilburn and her 11-year-old brother Jody have lived with their stepmother Diana in London since their father died. Her older brother Angus works on an oil rig off the west coast of Scotland. Jody misses his big brother very much and tries to persuade Caroline to visit Angus in Scotland. In fact, Caroline and Jody soon make their way to their unsuspecting brother in a borrowed car.