Seeking Heaven's Secrets Between Life and Death

A modern man suffering from a grave illness has an unexpected encounter just before his life ends, and accidentally enters the legendary world of immortal cultivation. To prolong his life, he has no choice but to defy heaven and fight back. To survive, he must press forward with all his strength. Between life and death, he seeks a glimpse of heaven's secrets and breaks the shackles of the world. Can he become the last person in nearly a thousand years to ascend to immortality...?