Leo Cooper, the sole survivor of the Simpson family massacre 15 years ago, now rules Erebus Dungeon, a prison holding the world's worst criminals. Seeking revenge, he refuses mercy for a man connected to his family’s killers, despite pleas to spare innocent relatives. After ordering an execution, Leo prepares to return to Lumiland, where he escaped to an orphanage and was raised alongside seven sisters. Upon arrival, he finds the orphanage slated for demolition and confronts Nancy, who urges him to leave. The episode ends with Leo facing the loss of his only semblance of family, forcing him to decide his next move.
Orphans face eviction as a gang led by Demon Daniel threatens to demolish their home, showing no concern for their survival. When Daniel's henchmen confront the children and an elderly woman defending them, a mysterious young man steps in, fighting back against the gang despite warnings to back down. The clash escalates as Daniel vows revenge, threatening to kill everyone once the protector is gone. As the gang retreats under pressure, the young defender and the children are left vulnerable, setting the stage for a dangerous showdown.
Daniel Bladz, nicknamed Camel, confronts intruders sent by Mike Frank, the Frank Clan's Young Master, who wants to forcefully seize an orphanage linked to Ms. Snow of the Alva Group. After warning Mike to back off or face serious consequences, Daniel reflects on the danger he's put himself in. Meanwhile, Nancy grapples with memories of her missing child who vanished a decade ago. Suddenly, Harold, the long-lost son, returns, surprising Nancy and revealing his powerful sisters, including Abe Snow, CEO of the Alva Group. Harold's homecoming shifts the family dynamics but leaves the sisters’ mysterious roles unsettled.
In this episode, Alva Group has rapidly risen to become a top 100 company within two years but is now facing continuous losses after offending the powerful Frank Clan. Rumors circulate that Mike, the clan leader's son, likes Alva Snow, the CEO, using his influence to pressure her compliance. Meanwhile, a man unfamiliar with Alva underestimates her aloof nature, boasting that she would fall for him. The tension escalates as Alva arrives, commanding respect, and is soon confronted by Harold, whose unexpected return raises new questions, leaving the episode on a suspenseful note.
In this episode, the Alva Group faces a severe crisis as someone impersonates Ms. Snow's brother, known by a unique heart-shaped birthmark, sparking disbelief and outrage. The group publicly offers a massive $1 billion reward to solve their escalating problems, divided into finance, technology, medicine, energy, and security, each with increasing difficulty and payoff. Despite risks involving the powerful Frank Clan, Harold Simpson shocks everyone by claiming all the highest-level SSS tasks across every field. His bold move marks a drastic escalation, leaving the group's fate hanging on his daring commitment.
Harold Simpson shocks everyone by claiming all levels of critical tasks—financial, technology, medical, energy, and security—including the daunting SSS-level missions that top experts failed for years. Despite doubts about his capability to complete 50 tasks alone within an hour, Harold insists he is serious and signs the contract anyway. Alva confronts Harold about impersonating his brother but is told this is no game. As the impossible tasks begin, including hunting Harold himself and facing deadly martial artists, Harold tells Alva to wait and prepares to prove himself, leaving the outcome uncertain.
A man challenges the Frank Clan by accepting a dangerous task to break their blockade, despite warnings that he won't survive. Alza arrives seeking someone bold enough for the job but learns the task is already taken by Harald Simpson, a reckless figure defying the clan. The Frank Clan threatens an orphanage linked to their plans, escalating the conflict. A tense standoff ensues when Ms. Snow intervenes to protect the orphanage, but tension boils over as the clan asserts their dominance, demanding submission. The episode ends with a looming power struggle between Harald and the Frank Clan, both determined to assert control.
In this episode, a group led by Lord Erebus assigns tight 50-minute tasks to his team members, promising a 10-year sentence reduction as incentive but threatening 100 extra years for failure. Each member confidently claims they can finish faster. Meanwhile, a man from the Alve Group boldly confronts the Frank Clan on their territory to collect debts, provoking a violent response. After narrowly escaping an attack, he demands payment again, forcing the Frank Clan to reluctantly agree. The episode ends with the debt collection escalating tensions, leaving the outcome uncertain as the conflict between the groups intensifies.
Mr. Simpson orders his gang to complete important tasks and warns others not to oppose the Alva Group, threatening severe consequences. He reveals a mysterious ring linked to the legendary Lord of the Night, who vanished 30 years ago, heightening suspicions around his influence. The focus then shifts to a man called Little Night King, whose imprisonment sentence is extended due to his family's vulnerability. Tensions rise as someone demands the aloof Ms. Snow to publicly kneel and submit, challenging her dignity. The episode ends on a tense confrontation, with Ms. Snow resisting humiliation and the question of who truly holds power unresolved.
Harold Simpson—known as Erebus, ruler of the Erebus Dungeon—returns to the city to uncover the truth behind his family's massacre. He brings seven extraordinary elder sisters: Eldest Alva, a cold, beautiful CEO; Second Belle, enigmatic and unreadable; Third Chloe, an international flight attendant; Fourth Daisy, a revered doctor; Fifth Emily, a striking live streamer; Sixth Fay, shrouded in mystery; Seventh Gina, a legendary actress. Armed with unmatched combat skill and wide connections, Harold tears through the underworld, toppling rivals and shielding his sisters. Each confrontation peels back a layer of his origins. As secrets surface and danger tightens, loyalties strain and past shadows close in—until a final revelation forces Harold to pay the true price of vengeance.