A self-doubting teenage humpback whale, grieving the loss of his parents and the legacy of his father, the legendary last Whale Singer, must rise to a destiny he doesn't believe he can carry. When a monstrous creature escapes from a melting iceberg and threatens the oceans, he and his friends descend into the darkest depths to find the mystical song that could save their world, in a coming-of-age story about grief, self-belief, and finding one's voice.
Childhood friends Agan and Kural are inseparable. When Kural encounters romantic troubles, Agan must balance his hidden feelings for her with his desire to ensure her happiness.