This is a republication with permission of an adventure from Frontières de l'Empire Translated from the website: Marine is a world of pre-industrial technology mostly covered of oceans and belonging to the Twelve Suns Alliance, one of the various independant stats flourishing on the Empire out rim. Following the disappearance of two empire civil servant, as well as their first search party, the PCs are sent to investigate this double mystery before the Alliance authorities take over it.