A 19th-century widow is tasked with making an impossible choice when, during an especially cruel winter, a ship sinks off the coast of her impoverished Icelandic fishing village. Any attempt to rescue survivors risks further depleting the starving villagers’ supplies.

故事设定于13世纪的爱尔兰，一队修道士守护着神秘的遗留圣物，而这场守护之旅却潜藏了许多意想不到的危险。