A gruesome serial killer is terrorizing London while brilliant but disgraced detective John Luther sits behind bars. Haunted by his failure to capture the cyber psychopath who now taunts him, Luther decides to break out of prison to finish the job by any means necessary.
Eva is in her mid-50s and is stuck in a rut. Her marriage has lost all passion and she begins to write reviews for a sex toy start-up hoping the extra cash will fund a holiday that could rekindle the spark.