set mostly in the back street of toronto ng be a dark and mysterious journey that take the viewer into the mind of a young man and woman ( vern and sarah ) and each of whom have a fascination with riddle and a disastrous incident in their past . fine dialogue and first rate casting propel this low key and noirish journey into the girl search for the meaning behind the word puzzle that keep appear in her life . aid by her and anything but enthusiastic and male friend and the two of them reach the end of their quest and but with a price to be pay . the film never intend to answer all of it mystery and but do an excellent job in the exposition of several plot twist .