

Five years ago, a food delivery rider named Ethan Parker saves Grace Hayes, chairwoman of Apex Group, from an accident. In the charged aftermath, the two grow close, and Grace becomes pregnant, later giving birth to a daughter called Mia. Five years on, Ethan finally works up the courage to find her and take responsibility. He shows up at Apex Group's doors, only to discover that neither of them can remember the other's face. Two strangers, meeting as if for the first time, slowly finding their way back to each other.

Yu-Jin was murdered by her husband Chan-Yeong and his mistress Na Ju-Hui. Shortly after, her sister Yu-Ri is also killed and finds herself back in time before Yujin and Chan-Yeong's wedding. Determined to take revenge for her sister, Yu-Ri decides to marry Chan-Yeong. Just then, her first love Tae-O reappears before her.

College student David Gray is temporarily staying with his cousin, Joseph Gray, in a rural village when he accidentally uncovers a shocking secret between Joseph and his daughter-in-law, Holly Ware. After Holly desperately pleads for his help, the kind-hearted David finds himself torn between family loyalty and doing what's right…

Kayla Jayne works multiple ghostwriting jobs to raise money for her daughter's congenital heart disease treatment. When she finally lands a steady position, she discovers her boss is her ex-boyfriend, Don Blake. Don mistakenly believes she left him years ago for money and uses his wealth to humiliate her. For her daughter's sake,Kayla has no choice but to endure it. She tries to tell Don the truth about their child, but Heidi Presland sabotages her. Later, when Kayla is attacked while working a bartending shift, Don rescues her and their relationship begins to thaw. Heidi kidnaps the child and uses her as leverage, but Don outmaneuvers her and saves their daughter. In the end, Don cuts ties with his mother, proposes to Kayla, and the three of them finally become a complete, happy family.