$$\text{Visible Plot (What Happens)}$$
$$\text{Sherlock Holmes investigates a mysterious hound on the moors.}$$
$$\text{Submerged Interpretation (Why It Matters)}$$
$$\bullet$$
$$\text{Themes: Rationalism vs. Superstition}$$
$$\bullet$$
$$\text{Motifs: Recurring fog and light}$$
$$\bullet$$
$$\text{Historical Context: Victorian anxieties about science}$$