5 years after the war Daphne lived with her mother and sister in her Greengrass Manor. Voldemort was not defeated and she had no idea if Mattheo was still with him. Mattheo left her after the war. They were a couple for 3 years at hogwarts but after the war when they were 18 he left her without a word. Now they’re both 23 and grown ups. They meet again at the ruins of hogwarts when Voldemort threatens to attack while they try to remake hogwarts.