

The world underwent a resurgence of spiritual force, and only 1% of the population awakened a career-based system, struggling to survive in a chaotic era. Morton Lynn devoted himself wholeheartedly to his girlfriend Julia Irvine, helping her rise to the position of guild commander. However, while Morton was fighting on the front lines, Julia instead went to flatter and cling to Timothy Shelton. Morton ultimately died in a desperate battle, triggering a hidden talent. He was reborn and awakened an SSS-rank hidden career — the Abyssal Lord — becoming humanity's only remaining hope!

Retired ace assassin Connor Fraser, fleeing from his organization's death squad, seizes an opportunity when heiress Martha Clarke loses her memory in a car explosion. He takes her to a remote border town,claiming they’re cousins. Living under the forbidden pretense of being “family”, they develop feelings for each other. Forced to face crisis after crisis together, they must confront both their true identities and their growing attachment in the shadow of life-and-death trials.