

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!

Jack Schulz was the biological son of Jennifer Lynn, a respected surgeon. Due to a misunderstanding with his father, Jennifer resented Jack but favored her adopted son, Matthew Zane—the child of her former lover. After Matthew hit Jack with a car, Jack suffered internal bleeding and was rushed to the hospital. Doctors repeatedly called Jennifer for consent to operate, but she refused to believe the situation.Losing hope, Jack gave up on survival. Matthew found Jack's kidney donation form and secretly changed it to authorize full organ donation. Meanwhile, Jennifer was desperately seeking a heart for Matthew. Unaware of the truth, she ended up dissecting her own son and transplanting his organs into Matthew. Though the body looked familiar, she believed Matthew—until a DNA report confirmed the donor was her real son. Only then did she realize the devastating truth.