5 years after fleeing Korea, Jang Yeojin returns as primary school teacher Lee Seonyoung to teach her ex-husband's autistic daughter - unraveling the household and five years of pain in the process.
Jang Yeojin holds off on her engagement to her American fiancee and travels back to Korea as Lee Seonyoung to teach special needs students. She meets her new student Baek Sojeong and becomes her at-home teacher.
