Shawn, heir to the renowned Divine Health Clinic, was left severely wounded during a robbery—until a chance encounter saved his life. The head of the prestigious Chester family happened upon the scene and rescued him. Grateful for their intervention, Shawn vowed to repay the debt by serving the Chesters, using his medical expertise to treat their young mistress, Minae, who suffered from a rare aging syndrome. For three years, Shawn worked tirelessly, elevating the Chester family's reputation while secretly restoring Minae's health. Yet, unaware of his true identity, Minae constantly tested his patience with mistrust. When his term of service finally ended, Shawn left, determined to reclaim his rightful place. Without his treatment, Minae's condition worsened. Desperate, she turned to Divine Health Clinic for help, only to discover that the master physician she had dismissed was none other than Shawn himself.
Eight years after a one-night stand, Sophie Archer raises son Jack alone until he's diagnosed with leukemia requiring a rare blood-type donor. Doctors suggest a million-dollar imported medicine to buy time. While struggling financially, Sophie becomes Caleb Johnson's secretary, unaware he's Jack's father. Meanwhile, Caleb and his grandmother Kate meet Jack by chance and confirm paternity through DNA testing. As Sophie and Caleb develop feelings and she becomes pregnant again after another encounter, Sophie saves enough for Jack's treatment, only for rival Chloe Bradford to destroy the medicine. Kate intervenes, recognizes Sophie and Jack as family, and tells Caleb to marry Jack's mother, not realizing he's already falling for Sophie. When Caleb discovers Sophie is Jack's mother, they commit to each other. At their wedding, Sophie reveals she has no blood relation to the Archers, and learns she's actually the biological daughter of the Bradfords couple, whom she refuses to forgive. The story ends with Sophie giving birth to twins and living happily with Caleb, Jack, Kate and their growing family.