Legend has it that Mount Sanqing is home to an immortal cultivation sect called the Carefree Sect. Within it are a pair of childhood friends, a senior brother and junior sister, who cultivate immortality together. The martial world's many tangled factions all want to join their sect, but none can find a way in. Who would have thought that the junior sister herself is determined to leave Mount Sanqing and venture into the mortal world to cultivate? What kind of story will she and the martial world create together? Let's wait and see.