The narrative pivots on several major twists that deconstruct conventional melodrama expectations:
- Hee-jin's Secret: Rather than having abandoned Jin-heon out of cruelty, Hee-jin left for the United States to undergo treatment for advanced stomach cancer, concealing her diagnosis so as not to burden him while he mourned his family's deaths.
- Subversion of Second-Lead Tropes: Instead of turning Hee-jin into a spiteful antagonist, the series portrays her with immense empathy. Nonetheless, Jin-heon acknowledges that past devotion cannot reignite his feelings, leading to an honest and definitive breakup.
- The US Absence Misunderstanding: When Jin-heon travels abroad with Hee-jin to provide closure and disappears for months, Sam-soon fears betrayal. It is later revealed that his letters and postcards were lost due to an incorrect mailing address, confirming his unwavering devotion.
- The Grounded Ending: In the finale, Jin-heon's mother still firmly withholds her blessing. Rejecting a lavish wedding or convenient reconciliation, the drama concludes with Sam-soon opening her own bakery, keeping her original name, and kissing Jin-heon on the Namsan stairs—embracing an uncertain, authentic life together.