Set in war-torn 800AD Scotland, The Gaelic King tells the story of warrior-king Alpin mac Eachdach. When his young brother is captured, Alpin must hunt the kidnappers though a dark forest that hides an ancient evil.

It follows Flora, a single mom who is at war with her son, Max. Trying to find a hobby for Max, she rescues a guitar from a dumpster and finds that one person's trash can be a family's salvation.