Dutch detective Van der Valk is called in to investigate the grisly and theatrical murder of a solicitor. As a cryptic note discovered within her jacket alludes to further murders, the race is on to undercover the truth.

When an employee of the Cuypers Diamonds is killed and his body delivered in pieces to the wealthy siblings and heirs to the company, Van der Valk must consider a tale of revenge against the family.

When a promising cellist from a prestigious orchestra dies following an acid attack, Van der Valk has to delve into the city's vibrant but eclectic classical music scene in the search for her killer.