Following the tragic, suspicious suicide of her reclusive uncle, Jin Ji-an, a college student, finds herself thrust into a brutal, hidden world she never knew existed. Raised by Jin Man after her parents' deaths, Ji-an remembers him as an eccentric owner of an online industrial pipe-supplying business. However, his sudden death unleashes a terrifying onslaught of heavily armed mercenaries, snipers, and deadly assassins attempting to breach her secluded childhood home.Trapped and fighting for survival, Ji-an utilizes the unorthodox, brutal survival training her uncle subjected her to throughout her youth. As wave after wave of killers attack, the narrative shifts through a series of tense, high-stakes flashbacks, revealing Jin Man's true identity. He was not a mere merchant, but
the mastermind behind Murthehelp, a massive, elite black-market e-commerce platform catering exclusively to professional assassins. Murthehelp operated with a strict tier system and a
digital currency code, providing heavy weaponry, tactical gear, and sanctuary to the underworld's most dangerous operatives.The flashbacks expose the dark origins of the conflict. Jin Man’s past is deeply intertwined with Babylon, a ruthless, top-tier mercenary syndicate led by the sadistic and psychotic Bale. Years prior, Jin Man served in a mercenary group where he witnessed and opposed Babylon’s merciless slaughter of innocent civilians. After Jin Man thwarted Bale's operations and left him for dead, Bale vowed vengeance. Now, years later, Bale has tracked down Jin Man and targeted Ji-an to draw her uncle out of the shadows, culminating in the lethal siege on her home.As the siege escalates, Ji-an discovers her uncle’s heavily fortified underground Babylon-defense bunker, stocked with advanced arsenals and controlled by an advanced AI system. She learns that her uncle’s "suicide" was actually a calculated sacrifice to protect her and activate Murthehelp’s emergency protocols. Joined by her uncle's fiercely loyal, combat-trained associate, a mute assassin named Pasin, and former Murthehelp employees, Ji-an must shed her grief and step into the role of the new owner of Murthehelp.Ultimately, Ji-an embraces her destiny. She navigates the complex web of underworld politics and lethal betrayals, utilizing her uncle's teachings to turn the tables on Babylon. The series reaches its explosive climax as Ji-an and her allies launch a counter-offensive, asserting her dominance over the assassins and proving that she is no longer just a helpless victim, but the rightful heir to her uncle's lethal empire.