The artwork is based on the biblical story of three brothers: Cain, Abel and Seth. They are metaphorically represented as the three phases of the moon.

«Yahweh said to Cain, “Where is Abel, your brother?” He said, “I don’t know. Am I my brother’s keeper?” Yahweh said, “What have you done? The voice of your brother’s blood cries to me from the ground. Now you are cursed because of the ground, which has opened its mouth to receive your brother’s blood from your hand»