The selkie bride

In 1923 recently widowed Megan Colbin believes that in death her late abusive husband did one good deed for her unlike what he did to her in life; he left her a cottage near allegedly cursed Findloss, Scotland. A storm buried the coastal village under tons of sand only fifty years later, Findloss resurfaced with all its buildings intact, but not a soul or human remains anywhere. Lachlan arrives from seemingly the sea and introduces himself to Megan. He explains he is a Selkie warrior who is on a mission to prevent a nasty peer from causing havoc on land and at sea; and he is also seeking the human female whose heart has called him. As the widow and the Selkie investigate, they learn Megan's husband and his family were implicated in a wizard's evil that needs to be destroyed before more innocent people under the sea and on the coast die.