Watch Thunder on the Hill (1951) (1951) HD Full Movie Free on SolarMovie. Watch Thunder on the Hill (1951) (1951) online free. Convicted murderess Valerie Carns (Ann Blyth) is being transported to Norwich to be executed when a ...Convicted murderess Valerie Carns (Ann Blyth) is being transported to Norwich to be executed when a flood strands her and her guards at a convent hospital. Nurse Sister Mary (Claudette Colbert) becomes convinced of her innocence and sets out to find the real killer.