Ronan Renzo lives a somewhat pampered life as the son of a merchant, but all that changes when his family home is visited by a strange, black-clad man. This man's clothing is so dark that it seems to swallow light, and he bears the symbol of the crescent moon upon his breast. He is, according to Ronan, a member of the Night Guild. A guild of thieves and assassins, who commit dark deeds in homage to the one they serve: the Night God. After a terrible tragedy in his family home, Ronan is asked by the master of the Night Guild himself for any request and it will be granted. Ronan chooses to join the Night Guild, the one thing that might allow him to avenge the tragedy. But the Night Guild is not what it appears to be. Indeed, everything carries a darker undertone in the Twelve Isles. Yet this may not prove to be Ronan's undoing, for the darkness and shadows have become a friend to Ronan, and it's from these that the Night God whispers...