April arrived in another world, and Hua Nanxi had arrived in this world five years ago. Their master, Du Cangshu, was the best in medicine and martial arts. Du Cangshu had a grandson named Du Ling. Du Cangshu died mysteriously. The three of them stepped into the world. While finding out the cause of Du Cangshu's death, Du Ling's life experience was also revealed, and another shocking secret was revealed... Can these people who have suffered so much finally be happy?