A prince returns from the brink of death with a singular purpose: to avenge his murdered family and wake his sister. Seven years ago, Li Han lost everything to seven immortals. As he lay dying, he and his sister Li Yao were rescued by the legendary Endless God Realm, and now he comes back bound by its demands, raising his cultivation to protect the people so that his sister can be awakened. At the same time, he swears to hunt down the killers from that day. But vengeance isn't straightforward. As the truth surfaces piece by piece, the situation proves far more tangled than he expected, and Li Han is forced to choose between revenge and gratitude. The result is an action fantasy adventure told across 80 episodes.