It's rude to plot to get people fired.
A corporation is looking to promote someone in the accounting department and the main candidates are Jack and his rival.
Jack wants to get the promotion.
Jack works diligently alongside his rival to show who is best.
Jack changes some ledger entries to show that his rival used corporation money to pay for his house.
Jack's rival is impressed by Jack's work ethic and congratulates him on the promotion.
Jack's rival is fired and doesn't get the promotion.