Marianne, a young Canadian nurse living as an expatriate in Switzerland, is traumatized by a violent incident and becomes lost in the Alps. In time, a Swiss engineer working in the mountains discovers her; he gives her a place to stay and slowly gains her trust as she regains her health. However, he soon discovers she's wanted by the law, and circumstances become difficult for him as he tries to hide her from the authorities.

Sebastien Grenier, a former French spy, is working as a financial analyst in Zurich. However, his peaceful existence starts to disintegrate when he is recruited by a top French intelligence operative to discover how one of their own secret agents was found out and executed in broad daylight.

A TV reporter and his assisstant go to a small Swiss village to do a programme with a reclusive scientist, an expert on world food shortages. During this time, an Italian immigrant worker is killed in a road crash and the reporter becomes involved in uncovering the truth about his death.