S01E03: Yesterday Was Your Spring
After a dramatic rescue, Ae-sun and Gwan-sik return to Jeju. Soon, Ae-sun resigns herself to a sad fate — leaving Gwan-sik devastated.
Previous Episode 
Season 1
Spring in a Heartbeat
S1E1 / 07 Mar 2025
Sassy First Love
S1E2 / 07 Mar 2025
Yesterday Was Your Spring
S1E3 / 07 Mar 2025
The Blazing Summer Sunshine
S1E4 / 07 Mar 2025
A Midsummer Night's Full Nets
S1E5 / 14 Mar 2025
Life Goes on and On
S1E6 / 14 Mar 2025
A Fruitful Fall
S1E7 / 14 Mar 2025
The Moon Wanes, Yet the Young Heart Remains
S1E8 / 14 Mar 2025
The Wind Goes Whoosh, My Heart Goes Boo-Hoo
S1E9 / 21 Mar 2025
The Storm Sweeps My Heart, the Love Rocks My Heart
S1E10 / 21 Mar 2025
My Love by My Side
S1E11 / 21 Mar 2025
A Glistening Winter
S1E12 / 21 Mar 2025
Such an Uneven Love
S1E13 / 28 Mar 2025
Spread Your Wings and Fly
S1E14 / 28 Mar 2025
A Spring Every Day
S1E15 / 28 Mar 2025
Here's to All You've Been Through
S1E16 / 28 Mar 2025
IU
Oh Ae-sun / Yang Geum-myeong
Park Bo-gum
Yang Gwan-sik
Moon So-ri
Oh Ae-sun (middle-aged)
