As Kate prepares for a long-awaited reunion with her husband, two eccentric brothers arrive on her doorstep claiming to be piano tuners. However, as her personal life falls into a downward spiral, the siblings' real motivations are revealed to be more than just tuning a piano. 'The Galls' is an enigmatic home invasion tale, where the proverb 'home is where the heart is' takes on a darkly twisted meaning.