The sea holds many secrets. Kevin Luong walks to the ocean's edge with a broken heart. Remembering a legend his mother told him, he lets seven tears fall into the sea. "I just want one summer—one summer to be happy and in love." Instead, he finds himself saving a mysterious boy from the Pacific—a boy who later shows up on his doorstep professing his love. What he doesn't know is that Morgan is a selkie, drawn to answer Kevin's wish. As they grow close, Morgan is caught between the dangers of the human world and his legacy in the selkie community to which he must return at summer's end.