As the only daughter of the Merrick family, Kirsty Merrick bears the responsibility of marrying into the prestigious Bartley family to lead the Merrick family to new heights, as carefully orchestrated by her mother Evanna Taylor. Kirsty successfully secures a betrothal with Morgan Bartley, the playboy son of the Bartley family's second heir. Unknown to Kirsty, Morgan has been secretly involved with Jess Merrick, Kirsty's only friend who grew up with her in an orphanage. Years later, when brought back to the Merrick family, the kindhearted Kirsty could not bear to abandon Jess, and thus pleaded with her parents to take Jess in as well. Now, Jess has begun an affair with Kirsty's fiance Morgan. To get back at Morgan, Kirsty designs a plan to seduce and intoxicate Nicolai Bartley, the young CEO of the Bartley Group, leading to the start of a dangerous "underground affair."

Faye Grey, heiress to the legendary Draco Clan said to control half of the world’s fortune, keeps her identity hidden while being with Steve Pitt for three years to repay a life-saving favor. Secretly, she helps him achieve his success. However, Steve eventually grows disdainful of her and begins a relationship with Mary Cooper, the heiress of the Coopers. In a fit of anger, Faye grabs a beggar from the street and marries him on the spot. Unbeknownst to her, the beggar is actually Rolan Quinn, the top tycoon of Delinia. To avoid his family's pressure to marry, Rolan agrees to the arrangement. As time goes by, Faye and Rolan gradually fall for each other, and Faye eventually discovers that Rolan is the person who saved her years ago.

After an unexpected encounter, Adelyn slept with Trent. Adelyn intended to forget everything, but Trent re-entered her life as her fiancé's uncle. To make matters even more complicated, Adelyn discovered she was pregnant with Trent's child. This set off a tangled web of emotions, leading them both into a passionate and reckless love affair.

The astute heroine, Lia Stone, had a simple plan: sell herself secretly to gather funds for her sister's dire illness. Yet, a birthmark caught the eye of Abel Ren, leading them into a marriage based on a bargain. She believed it was merely a deal, but she hadn't foreseen the mad schemes of the twisted love rival, Zoe Blake, who saw her as the perfect target for vengeance. The moment the wedding vows were exchanged, a cascade of plots and betrayals unfolded, relentlessly targeting Lia. But from the depths of despair, there's always a rise. Having narrowly evaded death, Lia allied with Jeff Ren to exact retribution, showing no mercy to either Abel or Zoe.

Marsha Bradley accidentally ends up in a flash marriage with Ronin Summer, the CEO of Lava Group. After marriage, Ronin develops genuine feelings for Marsha but keeps his CEO identity secret, knowing she despises deception. At work, Marsha faces constant bullying, while Ronin secretly protects her, nearly exposing his identity several times. Stella Hart tries to drive them apart with misunderstandings, but they eventually overcome these obstacles and reconcile.