公理是数学和逻辑的基本假设，无法证明但广泛应用于推理和理论构建。巨大黑人XXXXX高潮

　　Julius is an eloquent young museum attendant loved by his friends, colleagues and his girlfriend. 　　One day he invites his colleagues on a sailing trip on his aristocratic family’s boat. But something goes wrong. Julius is not who he seems to be.