Kyle Higgins' graphic novel series Hadrian's Wall will be adapted as a film. 1 / 7
Higgins has signed on to write and direct the movie. 2 / 7
Independent studio Gunpowder & Sky is producing the film. 3 / 7
The story follows a detective investigating his ex-wife's husband's murder. 4 / 7
The detective is also addicted to painkillers and experiencing withdraw as he hunts the killer. 5 / 7
The film marks Higgins' feature film directorial debut. 6 / 7
Though he has written and directed short films The League and Shadow Hours. 7 / 7