The northern kingdom of Talidith has faced constant attacks from hostile creatures for centuries. Now an army of savage humanoids threatens to wipe it out forever.
Their only hope is the Undercastle, a subterranean fortress built long ago to protect the people during an invasion, but it has been sealed by a mad king, and entry is punishable by death.
Young fisherman Aedan must retreat with the rest of the population to the Undercastle to wait out the invasion, hoping for help from the outside.
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