War criminals, escaped from Germany, joining the network in Morocco where, before going to South America they change their facial structure. Marchelier pretends to be one of them. Marchelier can therefore collect within the network the most valuable information, especially as he became the lover of Eva. But Herbert, deputy chief Nazi, gradually feeds suspicions. Betrayed by a double agent, Marchelier is unmasked. Thanks to the intervention of his leaders and the Moroccan police, Marchelier is re...