Fifteen years ago, Megan Clark, the top agent of Dragon Den, grew weary of a life filled with constant fighting and danger. She decided to retire and live a low-key life in Jentown, running a humble barbecue stall. For over a decade, she lived peacefully with her daughter, Ruth Clark. However, fifteen years later, Ruth becomes a victim of bullying at school. When Megan learns of this, she goes to the school to seek justice for her daughter, only to attract the ire of Ken Zimmer, heir to the Zimmer Group. In retaliation, Ken kidnaps Ruth and subjects her to merciless torture. Ruth manages to escape but accidentally witnesses Ken and his father, Greg Zimmer, committing murder. To silence her, Greg tries to kill Ruth by running her over with his car, a horrifying scene that Megan witnesses. Unable to tolerate the threats against her daughter any longer, Megan vows to seek revenge. She teams up with Watt Keller, the governor of Jentown, to bring those responsible to justice and to clean up Dragon Den.
In the 1980s, Vikki Sean got into a prestigious secondary vocational school, which everyone envied. She gave up her studies to take care of her family, only to suffer her husband's betrayal and infidelity. Her son was kidnapped, and her daughter was poisoned to muteness. Years later, she was framed by her husband and his mistress, but her son, Ian Grant, the Grant Group's CEO, saved her. He helped her confront her lousy husband and the mistress. Eventually, she turned the tables.
After graduating high school, Christi takes a job at a club to make ends meet. A one-night stand with Carlos Johnson leaves her unexpectedly pregnant, and she raises her daughter on her own. When her daughter gets injured and is taken to the hospital, Carlos's mother—a respected medical professor—recognizes their family heirloom. This leads Carlos to his child, and he steps in to care for both Christi and their daughter. As Christi faces false accusations and struggles with her complicated family ties, Carlos stays by her side, protecting her through it all.