Fin is devastated by guilt when his sister, Ella, is kidnapped.

She is snatched away from the house in the middle of a storm.

As the kidnappers make their demands, Fin's guilt is replaced by a fierce determination to find his sister by whatever means he can, and bring the criminals to justice.

But as the drama unfolds, a complex web of family secrets is revealed.

It emerges that Ella's kidnapping is revenge for mistakes Fin's father made, years before.

The consequences will change all their lives forever.