

Former commando Shay Langley, now blind and working as a massage therapist, accidentally boards a rideshare driven by serial killer Jordan Cullen on a rainy night. Using her heightened senses,she identifies his true nature and escapes through combat skills. Jordan develops an obsessive fixation on Shay and relentlessly stalks her with escalating threats. When police doubt Shay's contradictory testimony, she teams up with delivery worker Kit to investigate,discovering the killer operates multiple vehicles. She acts as bait to lure Jordan into a trap and subdues him in darkness using her senses and combat training. After Jordan's arrest, Shay becomes a criminal investigation consultant while Kit pursues a career as an auxiliary officer—together, they stand guard over justice.

As the Monster Age arrived and special abilities awakened, what awaited humanity was the end of the world. At the brink of the apocalypse, Frank Channing was sent back in time to the second year of the Monster Age. There, he awakened the Infinite Devouring System, allowing him to gain growth points by hunting the monsters. Along with it came a mysterious serpent-shaped mark on his arm. It could transform him into a powerful serpentine creature capable of wielding the very forces of the monster—seemingly tied to the secrets of the Blood Moon. From the system, Frank learned that he carried the mission of saving the world.

Once a crown prince, Finn Clark lives as a commoner after being rescued by Helen Smith, who raises him amid scorn and hardship. Though only a lowborn's daughter, she shields him, urging him to train in secret and wait for his moment. Enduring humiliation from Mark Smith and protecting his love Grace Conley, Finn hides his strength—until the combat tournament, where he shocks the realm and unknowingly draws his father,Emperor Sean Clark, closer to finding him.

Lena Duncan lost her parents in a fire, leaving her with a huge debt and the responsibility of caring for her young brother. On her birthday, she met Allen, a debt collector, and their lives became intertwined when they discovered they shared the same birthday and had similar experiences. Allen, impressed by Lena's resilience, gave her extra time to repay her debts and helped her on several occasions. Lena's talent with numbers earned her a position at Allen's company. As they worked together, their bond grew stronger and feelings began to develop between them. They faced conflicts in the criminal underworld, family disputes, and even an arson threat. Allen sought revenge and reclaimed power for Lena. In the end, they let go of their past and reopened "Lena's Restaurant" together, eventually getting married and living happily ever after.

Clare was the woman Axel begged and coaxed for—writing 99 love letters—before finally winning her hand in marriage. By their fifth year,however, Axel grew restless and began spending time with a young nurse. The girl, Emma, came from a poor family yet carried herself with quiet pride. When she firmly rejected the black card Axel offered,declaring she would never be anyone's kept woman, he became obsessed. Axel started appearing around Emma more and more,drawing the attention of all their friends, while briefly forgetting the wife he had once courted with 99 heartfelt letters. Clare neither cried nor argued. Instead, each time Axel broke her heart, she burned one of those letters. And when the last of the 99 was reduced to ashes, it would mark the day she left him for good.

On a torrential rainy night, Lewis Kane is accidentally hit by a dump truck and sent straight to the underworld. A judge is fretting over problems plaguing the three realms when Lewis is mistakenly brought in. The judge notices Lewis glowing with golden light—the mark of someone with immense karmic merit—and sees hope. He appoints Lewis as the liaison officer for the three realms,serving as the underworld’s representative in the mortal world to help meet their quotas. When Lewis refuses, the judge reveals that Lewis is cursed with nine lifetimes of loneliness, and this is his ninth life. If he doesn’t accept the position, he’ll be trapped in endless reincarnations of solitude. Terrified, Lewis throws a tantrum, begging the judge to grant him a life of romantic fulfillment this time around. The judge tosses him a smartphone, explaining it can connect directly to the underworld, then sends Lewis back to the mortal realm. And so,Lewis’ destiny begins to shift because of that one mysterious phone.