Wonbin reconnects with his childhood first love, Wonyoung, now a global superstar. But as old sparks reignite, he quickly realizes that fitting into her glamorous, high-stakes world might demand more than he can give.

Tensions rise as the lines between friendship and desire blur, pushing Wonbin and Wonyoung into a secret, emotionally charged intimacy that tests their boundaries.

Wonbin struggles to define his place in Wonyoung’s chaotic life as the physical intensity of their relationship ramps up. Meanwhile, the dark reality of the idol industry begins to cast a shadow over their secret romance.

Backstage at a concert, tensions explode as Wonbin navigates a web of jealousy involving Yujin and Rei. Forced to make a split-second choice during a chaotic moment, he unwittingly sets off a chain of irreversible events.

Power dynamics shift violently when Wonbin discovers a locked, suspicious message on Wonyoung’s phone. The confrontation spirals into a tense, sexually charged power play that leaves him questioning who is really in control.

The discovery of a mysterious "black heart" admirer and a compromising video shatters Wonbin's trust, revealing a dark underbelly of manipulation surrounding Wonyoung.

Armed with incriminating evidence, Wonbin faces a devastating moral dilemma. He must decide whether to expose the twisted truth behind Wonyoung’s double life or become an accomplice to her destruction.

Despair takes hold as the fallout from the secrets isolates Wonbin, forcing him to confront the dark reality of Wonyoung's double life and his own helplessness.

Wonbin peels back the curtain on a secret society controlling the industry, learning the terrifying cost of fame and the brutal hierarchy governing the idols he knows.

After receiving a disturbing video of Wonyoung's "punishment," a traumatized Wonbin seeks comfort in Yujin, only for a misunderstanding to trigger Wonyoung's wrath upon her return.

Haunted by nightmares of the videos, Wonbin and Yujin find solace in each other’s bodies. Their fragile peace is shattered by a cryptic call from Mingyu, inviting them to a mysterious event that promises a chance to save Wonyoung.

On the eve of the Blackjack Auction, Yujin and Wonbin share a desperate, drug-fueled night of intimacy involving Rei. They prepare to infiltrate the event of the century disguised as billionaires, knowing they might not make it out alive.

The Blackjack Auction begins with the House of Hearts, where Wonbin witnesses terrifying performances and bids to save a terrified idol from a dark fate, leading to a shocking abduction.

Trapped in the game, Wonbin is forced to participate as a Jack and confronts his past heartbreak, while a drug-fueled haze leads to an intense encounter and a stunning reveal on the auction stage.

In the heat of the auction, emotional walls crumble between Wonbin and Yujin, leading to a public display of passion and a heartbreaking loss as the bidding war claims its first victims.

Following a desperate, violent encounter with Karina, a heavily drugged Wonbin helplessly watches the remaining Houses fall to the billionaires. Paralyzed, he is forced to witness Wonyoung take the stage for her devastating grand finale.