Master Morn defies celestial tribulation and destiny to alter the Book of Life and Death. He descends the mountain with a Past-Life Covenant to find his reincarnated beloved. However, the joy of reunion quickly fades. Wynsen Yune rejects their karmic bond because her heart remains burdened by the pain of being a substitute. Their fates appear irreparably severed as she spurns the connection he fought so hard to restore.