

William Coffey and Shelly Richards had been together for years, deeply in love. But just before they could get married, tragedy struck—William's sister Lea died in an incident involving Shelly's younger brother. The Coffey family was devastated and blamed Shelly, their grief turning into resentment. While William was in the hospital, his mother forced Shelly to leave. At the time, Shelly was already pregnant, but with nowhere to turn, she had no choice but to leave the country. Five years later, Shelly returned and ran into William again. The feelings he had buried for so long came rushing back. He still resented her for disappearing without a word, but no matter how hard he tried, he couldn't stop loving her.

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.

Connor Yale summons a Radiant Dragon, while his stepbrother awakens a weak Skeleton Goblin. Yet their parents force them to swap summons. Humiliated and enraged, Connor awakens a powerful system. What should have ruined him instead becomes his rise. The Skeleton Goblin evolves into a formidable being.From that moment on, Connor rises on an unstoppable path, crushing everything in his way.