For three hundred years now, people and sea people have avoided each other. But the warrior Giad rushes into the sea behind her master's ring, and the laws are not written to Prince Alestar. Distraught at the loss of his first love, the prince rips off evil on the human girl, not knowing that he will fall into the trap of his own blood. Irenase Rusals choose a couple once and for life - it was not for nothing that Alestar was warned by his father never to touch a person. In the meantime, in the depths of the sea, Giad beats in the nets of hated passion, those who want to destroy both the sea people and the kingdom of people open up to her captive. Only love and loyalty will save the mysterious Heart of the sea from traitors on earth and in the depths of the sea. But how can the prince now achieve forgiveness for the one he fatally insulted? Can the proud priestess of the god of war forgive someone who dies without her love?