Tomm Moore

When Saoirse and Ben's mother mysteriously disappears into the ocean, the two children go on an epic journey to find out the truth about her, and in the process, discover mystical secrets about both their mother and Saoirse herself. The film takes inspiration from the mythological Selkies of Irish folklore, who live as seals in the sea but become humans on land.

In a remote medieval outpost of Ireland, young Brendan embarks on a new life of adventure when a celebrated master illuminator arrives from foreign lands carrying a book brimming with secret wisdom and powers. To help complete the magical book, Brendan has to overcome his deepest fears on a dangerous quest that takes him into the enchanted forest where mythical creatures hide.

Ben, a ten-year-old Irish boy, discovers his mute sister Saoirse, whom he blames for the apparent death of his mother, is a selkie who has to free faerie creatures from the Celtic goddess Macha.