Violet is a chemist who is carrying on the legacy of her Belgian family’s perfume company by recreating her late father’s secret formula.

The once unconditional friendship between police officers Vincke and Verstuyft hits a very rough patch when they come up against a series of gruesome murders. Complicating matters even further, a survivor of the killer drives a wedge between them when Verstuyft falls for her charms. Meanwhile, the serial killer has a new victim in sight…