The love letter from that year

Due to family circumstances, Bae Wei-yan transferred to a county high school, where she met Shen Ji-wei and developed feelings for each other. After her college entrance exams, Bae Wei-yan suffered amnesia in a car accident and traveled abroad, while Shen Ji-wei remained in her hometown due to family issues. Years later, Bae Wei-yan returned to China to help an old friend, but unexpectedly became entangled with Shen Ji-wei due to a marriage contract, neither of whom knew the other's true identity. While receiving treatment at the Chinese Medical University, Bae Wei-yan reunited with Shen Ji-wei, and they developed feelings for each other, but their marriage shackled them. Shen Ji-wei learned of the Hua family's conspiracy and resolved to protect the Gu family's pharmaceutical company. The two joined hands to investigate and overcome difficulties together. After many hardships, they finally recognized each other and embraced deeply.

Synopsis from DramaGo.