Watch Fog (1963) Official Trailer

At the beginning of the 1960s, a German turns up on behalf of the NATO in the British village of Rocksmouth. NATO wants to establish a naval base in Rocksmouth, but first, the German envoy has to salvage an old ship wreck. In 1942, the "Princess of India" was supposed to bring children to safety in Canada but was sunk by a German submarine at departure. 58 people were killed, most of them children.