Harry Clarke, Irish stained-glass artist and illustrator, is confined to a Swiss sanatorium, suffering from Tuberculosis, far from his family and his work in the Studios in Dublin. Ravaged by illness, the rejection of the Geneva Window, and the effects of medication, Clarke is visited by friends, both real and imaginary. As darkness falls on a January evening in 1931, the arrival of his two best friends unleashes an inner psychic battle to free himself...