When dorian gray sees the altered picture in The Picture of Dorian Gray by Oscar Wilde the story takes a dramatic turn how does this event immediately affect the plot?

When Dorian Gray sees the altered picture, he realizes the true consequences of his hedonistic lifestyle and becomes consumed by guilt. This event marks the beginning of his descent into darkness as he tries to hide the painting and continues to indulge in his immoral behavior. The altered picture serves as a symbol of Dorian's corrupt soul and drives the plot towards his eventual downfall.