“‘Hunter’ Lee Mu-young. I hope you can find my ex-wife, ‘Lee Kang-ha’.” S-class hunter Kang-ha, who dealt the final blow to the EX-class boss monster. What he gained from killing the boss monster was the Curse of Oblivion. Not only his comrades/colleagues who fought life and death together, but even his beloved husband and SS-class hunter Han Si-ryang couldn’t remember Kang-ha. Eventually, Kang-ha lived alone for five years under the name Lee Mu-young. However, in front of him Si-ryang comes seeking his ex-wife with the marriage contract they signed when they got married…