Chaos strikes a small-time organ transit company, when a mix-up leaves one man dead and another dying. The team must navigate through this nightmare scenario, to find out who is responsible. Or at the very least, someone to blame.

When headstrong Merrin, trapped in the rhythms of her family's mussel-picking trade, stumbles upon a mysterious hagstone, she unwittingly sets off a chain of events that challenges her family ties, and the unseen forces shaping their mundane lives.