When children's book illustrator Theodor falls into a creative crisis, a small creature suddenly appears, which from then on serves as inspiration for his drawings. But Theodor soon discovers that the creature's only food is his fingernails. The further Theodor progresses with his drawings, the more the creature demands of him. Finally, when Theodor no longer has any nails to feed the creature, he has no choice but to feed it his entire finger.
