During a wedding ceremony, a woman named Cassandra stands in for another woman, Leah, to marry the absent and feared groom, Abel. A powerful god, Perseus, vows eternal binding to her. Cassandra then pledges her own godhood to wed Abel, binding their fates forever. As the vows conclude, Perseus arrives and sees Cassandra, revealing she was meant to be his bride. He demands to know who Leah is, the true bride now standing before him, as Cassandra's fateful swap is exposed.