"The Double-Dealer" is a comedy play written by English playwright William Congreve. This comedy sees the character Mellefont, nephew and prospective heir of Lord Touchwood, about to marry Cynthia, daughter of Sir Paul Plyant. Lady Touchwood, a violent and dissolute woman, is in love with Mellefont, but as he rejects her advances, determines to prevent the match and ruin him in Lord Touchwood's esteem. In this design she finds a confederate in Maskwell, the Double Dealer, who had been her lover. He pretends to be Mellefont's friend, and aspires to cheat him of Cynthia and get her for himself. To this end he leads Plyant to suspect an intrigue between Mellefont and Lady Plyant, and Touchwood an intrigue between Mellefont and Lady Touchwood; and contrives that Touchwood shall find Mellefont in the latter's chamber…