命を交換してた愛の輪廻

Nick Carter perishes on a diplomatic mission to the frontier. In profound grief, his adoptive sister Zoe makes a desperate vow: offering her own life in exchange for Nick's revival, ensuring he lives out a long life filled with achievements and success. However, on the very first day of the traditional week-long mourning period, Zoe is shattered to discover that Nick, miraculously restored to life, is already pursuing another woman.