A decomposed skeleton of a young girl is found in a grocery cart in the D.C. area. Angela's evidence reveals the face of an 80-year-old woman, but the team learns the victim actually was a 22-year-old woman with a debilitating aging disease. Brennan and Booth's suspect the victim's mother. Meanwhile, Brennan's father, Max Keenan, reappears in Brennan's life reconnect with her and is surprised by the news he delivers. Hodgins and Angela marry with Brennan and Booth as maid of honor and best man, respectively, but all does not go as planned.