A bearded man in a vivid red robe stands at the center, his muscular arm outstretched as he clutches a knife in his right hand. His body twists dramatically to the left, while his gaze is pulled sharply upward toward a winged angel who descends from the sky. Kneeling at the man's feet, a young, nearly nude figure with pale skin and dark hair turns his head away, eyes closed and body tense, his hands bound behind his back and a white cloth wrapped around his waist.

To the left, partially obscured by foliage, a ram with curling horns appears caught in a thicket, its presence hinting at an alternative to the impending sacrifice. The background is filled with dense, dark trees and a dramatic sky, where clouds swirl and light breaks through, casting a golden glow over the figures and heightening the sense of divine intervention. Rubens uses bold, energetic brushstrokes to model the flesh and drapery, with thick, luminous highlights on the skin and fabric that create a palpable sense of movement and tension.

The composition is tightly constructed, with the three main figures forming a diagonal line from the angel's face to the kneeling youth, drawing the viewer into the emotional core of the scene. Details such as the intricate folds of the red robe, the tangled branches, and the delicate rendering of the ram's fur reveal the artist's attention to both drama and naturalistic detail. The angel’s left arm stretches forward, its hand hovering just above the bearded man’s wrist, while the angel’s flowing blue and gray drapery billows behind.

At the lower left edge, the ram’s head emerges from shadow, its white fur and curved horns contrasting with the dark foliage. The ground beneath the figures is rendered in warm ochre and brown tones, with scattered green leaves and tufts of grass visible near the kneeling youth’s feet. Bright light falls most strongly on the youth’s torso and the man’s left arm, creating sharp, luminous highlights that contrast with the deep shadows along the painting’s right and lower edges.