After a car accident, a teenage girl begins to experience terrifying visions linked to the recent unsolved murder of a schoolgirl.

Promethea finds a key linked to Léa Vasseur. Can police captain Elise help discover more?

Promethea meets the enigmatic William. Elise corners a suspect in the missing corpse case.

Elise decides to confront the suspect with Promethea to see if it will jolt her memory.

Promethea realises that she has an uncanny link with each victim. Will hypnosis reveal it?

After Promethea finally discovers who she is, a call for help pushes her to the edge.