Boy and donkey eye a dark plant in a field

Disney Pixar 3D animation style. Character Lucas: 8-year-old boy, light brown short messy hair, simple straw hat, light brown eyes with doubtful expression, blue and white striped t-shirt, brown shorts. Character Tobias: dark gray donkey with lighter muzzle, white star mark on forehead, dark eyes. Character Strange Man: 45-year-old man, messy black hair with gray sides, red eyes, red and black checkered shirt, unsteady posture. Lucas looking alternately between the dark plant in the man's hand and the man's face, Tobias with mouth near the plant, Lucas's expression showing hesitation, field environment with colors beginning to darken.