Idalivesonashipwithacrewoffivemen.InMarseilleherattentioniscaughtbythesecretivemaleworldoftheFrenchForeignLegionandshedecidestofollowitstracesacrosstheMediterranean.AsIdaandhercrewsailviaCorsicatothehistoricalheadquartersoftheLegioninAlgeria,boundariesblurwhilelifeatseaproducesaspecialkindofmutualunderstanding.