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How does season 2 of one tree hill end
Season two of One Tree Hill ends with Lucas telling Brooke how he feels about her and someone setting the dealership on fire while Dan is still inside.
Who set Dan's dealership on fire on One Tree Hill
It is revealed in season 3 of One Tree Hill, that Deb is actually the one who drugged Dan's drink and set the auto dealership on fire

Question: Why was the dealership on fire
Self-contained rewrite: Why did Deb set Dan's dealership on fire on One Tree Hill