Season 4

Professor Jasper Tempest, a genius Cambridge University criminologist with OCD and an overbearing mother, assists the police in solving crime.

1. 

   1. Overboard

   52m

   A woman mysteriously disappears from a yacht, during a trip with her boyfriend and friends. Dr. Goldberg tries to convince Professor Tempest to resume collaboration with the police.

2. 

   2. September Gardens

   52m

   While Jasper visits a home for the elderly, a woman is killed by one of the people living there. But there may be more to the murder than meets the eye.

3. 

   3. The Inspection

   52m

   A school inspector is killed, first by five stab wounds, and then by being smothered. Why two different methods?

4. 

   4. You Can't Kill Me

   52m

   A stage prop knife is substituted by a real knife. Who did the switch and why?

5. 

   5. The Perfect Murder

   52m

   When a painting is destroyed, suspicions fall on a group of climate activists. But the next attack leaves a dead body behind.

6. 

   6. The Warrior Gene

   52m

   A man staggers in front of a car, and confesses to killing a man before dying. But where is the body?