Forensics find the bones of a female. Father Su confirms from the earrings that it is his daughter, but the DNA tests show no blood relationship. Father Su confirms that when he married his wife, she was already pregnant. Although the daughter was not his, his raised her as his own. But investigation reveals the footprints of Jingling’s lost brother on the murder site, and find his DNA under her fingertips. Suspicions are aroused! Jingling cannot believe that her brother would commit a crime, and tries desperately to prove her brother’s innocence, and find his whereabouts. But will everything work out for her in the end?