Adèe and Rocher, thrown back together on a murder case after five years apart, find themselves in mortal danger. They get locked up by criminals. Rocher is wounded. Commissioner Lamarck, Hyppo and Jess race against the clock to save them in time. In those exceptional circumstances, with tension at its peak, Adele and Rocher tell each other the things they have never been able to confess. But unfortunately, those words may be their last.