The short is another adaptation of E.A.Poe's infamous tale and follows the descent into madness for the meticulous butler Manfred, whose sole focus in life is the care and comfort of his Master. When perfectionism turns into obsession, he pleads for understanding that he acts not out of madness, but through his most grievous fault. The story of redemption leads into the depths of a troubled soul for whom madness is just a matter of perspective.

Mea Maxima Culpa, John Byrne ve Frank C. Turner'ın başrollerini paylaştığı, Edgar Allen Poe'nun psikolojik gerilim filmi "Gammaz Yürek"in bir uyarlamasıdır. Eric Spoeth'in yönettiği Mea Maxima Culpa, hayattaki tek odak noktası Efendisinin özeni ve rahatlığı olan titiz uşak Manfred'in deliliğe inişini takip ediyor.