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Dan becomes obsessed with a dying man's last words; Jasper finally decides to act on his own feelings.

Professor T

The Warrior Gene

Professor Jasper Tempest, a genius Cambridge University criminologist with OCD, unwittingly becomes an advisor to the police when he is caught up in a mysterious crime at the university.

Dan and a new cop take on a case involving a disappearance at sea.

S4 E1 | Overboard