A young woman is forced into espionage so that her father can escape blackmail. The love of an aviator helps her regain her freedom and secure the arrest of the members of the network, whose leader commits suicide before the police arrive.
Scientist André Ségonne hits the headlines with his discovery of anti-matter. On his way to a few days' vacation, he is involved in a motorcycle accident. Rescued by Piort and Florence, a strange couple, André is taken to their equally peculiar house: an inexplicable power seems to emanate from it.
