Armant du Mont, a wealthy landowner in Nantes, confronts his troubled past when a young man seeks work on his estate. Despite initial tensions, the young man's hard work and a budding romance force Du Mont to confront his own history.
The beautiful daughter of a murdered scientist determines to apprehend her father's brutal killer at a nuclear waste site they're both inspecting as part of a team of international delegates. But the visiting scientists soon realize that ruthless terrorists intend to blow up the complex.