Secret Heiress's Flash Marriage with the CEO movie summary takes us on an adventure of Bella Willis who's married to Andy by keeping her real identity as an heiress a secret. Bella helps Andy to succeed when he was a nobody but when Andy asks for a divorce upon reaching success. Bella decides to reveal her identity as she marries Ward Tenny,a billionaire in a flash marriage.

To avoid marrying a old man, I have a one-night-stand with a stranger and impulsively got married to him. I thought he was just a penniless nobody, but it turns out he’s the richest billionaire man in the world! Now, we're teaming up to make everyone who looks down on us pay for it.

In search of the truth behind her sister’s death, Zoe Hale marries billionaire Ashton Cross, whom she suspects to be the killer. However, as she gets to know him better, she discovers truth more twisted, and love more powerful than she could’ve ever imagined.

Lena Reeves, poisoned and desperate for a cure, disguises herself to marry Joshua Hawke, pressured by his grandfather to settle. After his death and her recovery, Lena pushes for divorce. Only post-divorce does Joshua discover Lena's true identity—a renowned surgeon with ties to mogul Axel Knight. As her secrets unfold, Joshua's awe and Lena's feelings deepen, redefining their 'cure' to love.

Mandy Gibson was set to be the legal successor of Gibson Corporation, but when her mother died of a plane accident, her father was bewitched by his mistress Landy Chapman and her daughter Ruby Gibson. To get to the bottom of her mother's death and get back what belonged to her, Mandy Gibson trudged along her path of revenge. As fate would have it, she ended up getting Leo Harper, the heir of Harper Group, involved along the way...

Felicia was betrayed by her longtime boyfriend and, in her sorrow, she drunkenly entered the room of CEO Ryan. She woke up the next day, regretting the night and mistaking Ryan for a college student. Ryan, however, proposed marriage. After a quick wedding, Felicia took on family responsibilities, urging Ryan to study diligently. Ryan found this amusing until the day Felicia realized her husband was the CEO.

Sybil, under her mother's arrangement, went on a blind date in a huff, mistaking Hendrik, the CEO of Aura Group, as her date. Provoked by her ex-boyfriend, she impulsively married Hendrik that day, only to realize later that she had mistaken him for someone else - her childhood friend, Ian. Eventually, Sybil and Hendrik agreed to spend a month getting to know each other. While Sybil worked at Aura Group, she remained unaware that Hendrik was the CEO of the company. Believing that Sybil disliked wealthy families, Hendrik hesitated to reveal his true identity and instead worked in Aura Group as a HR manager. As Hendrik and Sybil spent more time together, their relationship improved, with Hendrik punishing anyone who mistreated Sybil. Just as their relationship was blossoming, Hendrik's childhood friend Sandra returned. Ten years prior, Sandra had saved Hendrik's life, and he had agreed to fulfill three promises to her. However, Sandra deliberately sowed discord between Sybil and Hendrik, even using a cancer diagnosis as leverage to push Hendrik into marrying her. Sybil, mistakenly believing that Sandra was pregnant with Hendrik's child, chose to leave with Ian in sorrow, only to discover later that she herself was pregnant. With Ian's help, Sybil uncovered the truth and interrupted Sandra and Hendrik's wedding to reclaim her love, Hendrik.

Married for five years, she endured neglect and mistreatment from her husband and his family. It wasn't until a workplace bullying incident and a car accident that she saw the cold, indifferent nature of the man she had loved for so long. She decided to stop pretending and revealed her true identity as the daughter of the world's richest man, which stunned everyone. In the end, she rekindled her romance with her devoted first love.

The powerful CEO Charles Duke returns for revenge, but is mistaken as a broke guy by Charlotte Shaw, and is "keept" by her. Charles, using the identity "Josh Fritz," becomes her kept "toy". Unexpectedly, the Duke family finds out about his crush on Charlotte, and forces a marriage with the Shaw family. In a twist of fate, Charlotte ends up marrying Charles while still keeping "Josh."

A caring gentleman Leander, and a tough girl Aria, meet in a car accident and fall in love at first sight. But when they meet again, Leander shows up as the notorious playboy Aria is forced to marry, and Aria is suspected of a fraudulent substitute sent by the other family. Through tinted glasses and a mask of suspicion, the two embark on a journey of marriage and then love, where false starts can turn out to be the perfect match......