Jimmy and Mo Trewin have been living with the cruel Mrs Huxtable since their mother died and their father left them. Life is miserable, but when Mrs Huxtable's brutal son returns home, they are forced to run for their lives. Young teacher Glenys Trent has just lost her job. With no family to turn to, she's expecting a bleak Christmas, until fate leads Jimmy and Mo to her door. Glenys agrees to help them find their mother's family in Wales. But the journey is fraught with danger as Cyril continues to pursue them. Will they ever find a place of safety?