On Mid-Autumn night, Lin Nian breaks up with her boyfriend Jiang Jin after an argument, only to be pulled into the SSS-rank horror instance [Infinite Abyss]. She discovers the scythe-wielding butcher is her second uncle's husband, the Ghost King is her maternal uncle, and the final boss of the instance is none other than her newly ex-boyfriend Jiang Jin. Clearing this instance is only the beginning: more instances including the Asylum and Fairy Tale Town follow one after another. With her kinship token and instance rewards, Lin Nian fights her way out of certain death scenarios again and again.