1898. When Juan's father is killed while working as a photographer in Cuba, the young man is left with nothing but his last photos amid the chaos as the war between Spain and America escalates. But the images reveal a sinister truth to his father's last moments, and Juan soon realises his death was no accident.

The young man travels alone to Scotland to grieve with his surviving family and soon immerses himself in the study of photography and pioneers a new invention, a self-timer. When this technology inadvertently solves a crime, it is not long before the device draws the attention of local law enforcement, and he is invited to Glasgow to assist police hunt down a serial killer.