The Secret Heir of the Deep

In the Seven Seas, human Erin Shaw, who is the secret lover of Poseidon, is cast out after Poseidon trusts a fake prophecy. She secretly gives birth to Cora, Poseidon’s half-god heir. A year later, Cora's divine blood turns her human body deadly. Erin returns the Seas to find a healer. She must save Cora before he learns the truth and takes their daughter.