Eliza eventually discovers that the insurance company that hired her is a front for a "dodgy lawyer" and that the case involves fraud.
The sketch was stolen from a small natural history museum run by Mrs. Garret. Key Plot Points [S2E2] The Black Witch Moth
William is forced to mentor a new, "privileged" apprentice detective, Oliver Fitzroy, whose father is a high-ranking official at Scotland Yard. Eliza eventually discovers that the insurance company that
Eliza Scarlet is hired by an insurance firm to track down a rare, valuable sketch of an Ascalapha odorata (the black witch moth) drawn by Charles Darwin himself during his 1835 voyage to the Galapagos Islands. "privileged" apprentice detective