All the book-based movies and TV shows featuring Natasha O'Keeffe, ranked

A war veteran turned private detective operates out of a tiny office in London’s Denmark Street. Although wounded both physically and psychologically, his unique insight and background as a military police investigator prove crucial in solving complex crimes that have baffled the police.

A war veteran turned private detective operates out of a tiny office in London’s Denmark Street. Although wounded both physically and psychologically, his unique insight and background as a military police investigator prove crucial in solving complex crimes that have baffled the police.

In the London of the 1930s, Robert Jekyll, a young medical practitioner, was in search of his own identity and purpose. Little did he know that his grandfather’s illicit experiments on the duality of human nature had a direct impact on his own physiology. These experiments were ingrained in his bloodline, and when faced with moments of stress, he would undergo a transformation into an alternate personality—exhibiting superhuman strength and a propensity for violence.