In an unexpected turn of events, Miles encounters Ekko, a siren whose existence he thought was purely folklore. Discovering Ekko injured in the Brooklyn harbors, Miles extends a compassionate hand to help. With the support of Uncle Aaron, they provide Ekko with shelter and delve into the mysteries of his origins. As emotions grow more complex and Ekko gradually becomes detached from his previous sea life, both teens learn to comprehend each other and navigate the intricacies of an unconventional love.