Mearra: Selkie from the Sea (2015)

Mearra - Selkie from the Sea presents an enigmatic and bittersweet story of love, loss, and transformation that begins with Mearra, a young Selkie maiden, falling in love with Ian, a lonely fisherman entranced by her beauty. Mearra bids farewell to her life in the sea, marries Ian, and starts a family. However, seven years later, the sea inexorably calls for Mearra's return.