Lee Bom-yi (Choi Sooyoung) was once a terminally ill patient, but she's given a second chance at life after getting a heart transplant and now lives each day to the fullest. She meets Kang Dong-ha (Kam Woo-sung), the CEO of Hanuiron and a widower with two children who lost his wife to an accident. Bom-yi falls for Dong-ha, not knowing that her donor was Dong-ha's wife.

My Spring Days (Hangul: 내 생애 봄날; RR: Nae Saengae Bomnal; lit. "The Spring Days of My Life") is a 2014 South Korean television series starring Kam Woo-sung, Choi Sooyoung, Lee Joon-hyuk, and Jang Shin-young.[1] It airs on MBC on Wednesdays and Thursdays at 21:55 for 16 episodes beginning September 10, 2014.

The plot uses the concept of cellular memory, a medical hypothesis that recipients' personalities and habits become similar to their donors.