Miss Scarlet (2020)

S5E1 The Rival

Eliza is brought on by Scotland Yard to track down a missing lord who stands accused of killing his maid. However, the arrival of the new Detective Inspector, Blake, complicates things as he insists on excluding private detectives from the investigation. Determined to prove her worth, Eliza faces the challenge of convincing DI Blake that her skills are essential to solving the case.