Heer & meester - Season 1 (2014)

Suze's mentor, Simon den Oever, is killed in a terrible car accident. When it is found that the brakes were sabotaged, Suze believes Valentijn knows a witness to the accident and recruits him to investigate.

Valentijn decides to visit his old classmate, Jean-Paul van Garderen, who just became head of the medical faculty, where samples of a lethal virus have gone missing. When one of Garderen's colleagues dies from an infection from the stolen virus, it appears to be murder.

Suze requests Valentijn's help in entertaining renowned violinist Monica Altobelli. He is honored to accompany the musician in between performances, but the fun is soon off when Monica's Stradivarius violin disappears. During the search of the famous violin, Valentijn finds a dead violin-maker.

Valentijn poses as a writer documenting the anniversary of a famous ball in order to get closer to suspects threatening to rob the attendees. Despite his best efforts, the valuable jewelry of one wealthy family is stolen before the ball, so Valentijn must work to retrieve it.

Suze knows the Beaufort family from her youth and asks Valentijn to discreetly look into the shady businessman trying to purchase their family estate. Valentijn and Suze join the Beauforts on the estate where they both compete in the annual hunt. The hunt takes a shocking turn when one of the hunters is hit by a stray bullet.

While preparing for a production of Shakepeare's MacBeth, the theater director becomes the victim of an acid attack. Valentijn goes undercover as the new fight choreographer to find the perpetrator, and Suze is approached by a photographer who has evidence against the offender.

Suze suspects a major company of being involved in a pyramid scheme that also affects Thaddeus Boarding School where Valentijn was raised and risks her career to warn Valentijn. When Valentijn digs deeper into the case, he soon becomes involved in a conspiracy and must put his own life at stake to help the school.