The Devil's Hour season two sees Lucy (Jessica Raine) and Gideon (Peter Capaldi) forming an uneasy alliance in order to prevent a recurring tragedy and hunt down an elusive monster. Lucy's double life sees her torn between family and duty as she finds herself in the crosshairs of her past-life husband, DI Ravi Dhillon (Nikesh Patel). Assisting Dhillon in his investigation is DS Sam Boyd (Saffron Hocking) who was mentored by DI Lucy Chambers in a previous life.