Amazon Prime Video's British thriller The Devil's Hour is a mind-bending, emotional journey powerful enough to leave viewers scratching their heads as they anxiously await another season. Child Protective Services social worker Lucy (played by Call the Midwife's Jessica Raine) wakes up every night at 3:33 a.m., the Devil's Hour, from horrific nightmares about a life that isn't her own. As the season winds down for the final episode and the strange pieces begin coming together, fans were left wondering exactly what happened in The Devil's Hour's ending.
Source:https://www.cbr.com/devils-hour-ending-explained/