In the fertile artistic milieu of 1927 Toronto...

After winning the commission to paint a war memorial mural for Christ Church Grange Park, Nora Britton is found dead on the church floor. An accidental fall from the scaffold she was working on? So it seems, until police detective Paul Shenstone discovers that she has been the subject of parishioners' death threats. Shenstone's sleuthing takes him from slum to mansion, from speakeasy to laboratory to artist's studio. The dead Nora becomes his obsession. His list of suspects keeps lengthening as he discovers in his city unexpectedly...