

Tiana, the daughter of the Chudy family, was abducted when she was born. Her brother Bennett, fearing their mother's blame, swapped her with another baby, Roslyn, at the time of the abduction, falsely claiming that the kidnapped child was a janitor's daughter. Tiana was raised by Liala and eventually employed by Chudy Group due to her talent. On her first day at the company, she was bullied by Roslyn for saving a colleague. Bennett noticed the resemblance between Tiana and his long-lost sister, delved further into the investigation, and uncovered the truth, confirming that Tiana was indeed his sister. He vowed to protect his sister from harm. With the mystery of Tiana's identity unraveled, her future got brighter under her brother's protection.

Sophie grew up in an orphanage and was adopted by the wealthy Johnson family when she was six. She spent twelve happy years being doted on by her three brothers and adoptive parents. But when her adoptive parents' biological daughter, Camille, returned, Sophie went from being the beloved child to someone misunderstood and hurt at the family's edges. Camille plotted against her at every turn, constantly framing Sophie, and the family chose to believe her, repeatedly hurting Sophie with their coldness, leaving her disheartened. Sophie decided to become the first volunteer for the "Sleep Project" her eldest brother had been planning for five years, repaying her adoptive parents for their care through a life experiment. On her eighteenth birthday, she completely broke ties with her family, walked alone into the sleep pod, and donated her corneas to her blind second brother. When she woke up thirty years later, her family was now gray-haired, but she could no longer remember them—leaving only that misplaced sense of family as an eternal regret in the river of time.