Written as a series of short, tense moments, "Lamb" drops the reader into pitch darkness. A wolf howls somewhere nearby, and the speaker, addressed as "you," is alone and frightened. The poem never says exactly where this is or how the lamb got there, which keeps things unsettling. We only know what the senses pick up: sound, a heavy pressure in the air, movement at the edge of vision.
The feelings are tangled. "Regret and relief" arrive together, as if the lamb is sorry to be here yet oddly glad of something, perhaps an escape from what came before. That's an inference, since the poem doesn't explain. The scariest moment comes when a reached-out hand touches "fingers that aren't your own," a line that suggests something unseen is close. The ending turns into a warning, almost gentle: run, because this isn't a place to wander. The mood is eerie, claustrophobic, and full of dread, with a little tenderness in the voice that urges the lamb to flee.