The series follows the story of Tom and Isabel, a former war veteran working as a lighthouse keeper and his wife, who live in a remote Australian lighthouse near the shore. One day, when they find a baby washed ashore, they decide to raise the child as their own. As the series progresses further, their perfect life starts to unravel as the truths about the baby girl’s past get revealed. The series explores the theme of love, loss, grief, and moral dilemmas. It is available to watch on Netflix.