Park Do Ra is a bright, brave woman with a challenging personality who became a top actress because her mother, Park Mi Ja, said it was the only way to escape poverty. After earning fame and fortune as a top star, all Do Ra wants to do is rest and enjoy her riches, but her mother keeps causing trouble. Mi Ja always adorns herself in luxury, even more than any top star, thanks to Do Ra's success. However, Mi Ja wants more. Do Ra can't handle her tight schedule due to Mi Ja's desires and wants to quit her new drama "Straightforward Romance," but she can't because she met her first love, Go Pil Seung, the assistant director. Pil Seung is passionate about his job but tries to leave "Straightforward Romance" because of Do Ra, who was very particular to him when he was young. Unfortunately, an unusual assignment to exclusively lead her falls in his lap. Will Do Ra find her happiness by escaping her mother's never-ending desires?

Oh Yeon Doo is an optimistic online lecturer who teaches the Korean language. After going through many hardships, she finally gets a stable home and career which allow her to prepare for marriage. However, a new dilemma of becoming a single mother occurs. That is when she meets her doctor, Gong Tae Kyung. Although he chose to be a misogamist, a man who wishes to avoid marriage and a woman who is willing to birth a baby without a father starts a relationship. Hence, the contract romance begins with the baby as collateral. Would their impudent lie be able to fool their families to the end?

Bok Hee ruthlessly makes money and becomes a loan shark after her husband passes away in her youth, leaving her with three children. As she becomes diagnosed with early-stage Alzheimer's disease, she begins to tame her reckless children. Young Chae, a fashion blogger addicted to shopping and obsessed with designer labels, becomes entangled with Hoon Nam. Young Soo, a former student in the US who can't speak a word of English, always gets scammed by people around him. But as the family goes broke according to his mother's plan, he becomes the head of the household. The youngest, Young Jun, is a playboy who enjoys drinking and partying. However, he gradually learns the value of family and the rewards of hard work. This marks the beginning of Bok Hee's project to rehabilitate her children.

Young Hye grew up in Rainbow Orphanage with Han Ju and Jin Ki. Even though Young Hye knows Han Ju is in love with her, she marries Duk Soo, the successor of Golden Fisheries, to escape poverty. However, when Duk Soo passes away, his mother, Jung Sim, takes her daughter, Ha Bin, and kicks her out of their house. Not long after, she finds out Ha Bin went missing and died, so she prepares to get revenge on Jung Sim. Meanwhile, Ha Bin, who is known to have died, is actually found in the mountains by Man Won, and Han Ju adopts her. Ha Bin lives as Kim Baek Won and goes through joy and sorrows with another six children adopted by Han Ju. Jin Ki's son, Do Young, is treated as an outsider by his family, and therefore, he grows up as a rebel. He has no hope for his life until he meets Baek Won, who is the opposite of him. Let us join the life of Baek Won, who is like a light that makes people shine, and the colorful journey of seven brothers and sisters connected by the wheel of fate.

Chi Hwan believes in money and authority more than the law and strives to live at the top of the ladder. His mother had to face wrongful death when he was young, and he suffered from poverty and war alone. To put an end to the misery, he rose out of poverty to great wealth and became a successful chairman of Shine Cosmetics. Se Na, who is actually Yi Chang's biological daughter, grows up as the daughter of Chi Hwan and dreams of becoming his sole heir. She wants to be with Jin Woo, but sadly, she realizes he is in love with Hae In, Chi Hwan's biological daughter. By an ironic twist of fate, Hae In lost her mother as a child and was adopted by Yi Chang. How will the fate of the fathers and daughters unravel?

Maeng Gong Hee, a contract designer at Jayce Group, possesses a survival instinct inherited from her strong mother and former police officer father, making her a rare wild woman in modern society. After winning the Jayce Fashion contest, she finally joins the company of her dreams, and everything seems to be going well. However, her peaceful life is disrupted when her childhood friend Gu Dan Soo suddenly moves in as her rooftop neighbor. Dan Soo, who was born rich, had to hide away with his poor mother, whom his grandmother didn't see as a suitable daughter-in-law. He spent a happy childhood next door to Gong Hee but everything changed when his mother left him. His wandering life led him to be taken in by his grandmother, who subjected him to harsh training to prepare him as the heir of their wealthy family. Eventually, Dan Soo finds his way back to Gong Hee's rooftop room. Reunited as adults, can they tap into the warmth of their childhood memories to find happiness again?

Yeong I lost her husband at a young age, but she tries her best to move on with her husband's family and works days and nights for her daughter. She dreams to go beyond working part-time at a convenience store and become a full-time employee at the head office. Meanwhile, Kyung Jun is the eldest grandson of TS Retail, where Yeong I set her heart on. Five years ago, he underwent a corneal transplant with a donation from Yeong I's late husband and gained a new vision and a new life. What will happen to Yeong I and her second love, Kyung Jun, who has the eyes of her late husband?

In this crime thriller, a lawyer searches for his missing mother and is pulled deeper into a world of secrets, lies, and the complicated love of mothers and sons.