A powerful story of loss, second chance and first love 

When Eunha loses her older brother,to cancer,she thinks she'll never recover. 

In California Eunha discover apart of safety and freedom in Aunts Yerin beach house and mom hands her a notebook full of letter addressed to her-from her brother(Jinyoung)

Eunha read and realizes how much he love her and each letter challenge her to be better. If only it were that easy

But then a surfer name Jungkook come into her life and Eunha is blindsided. He makes her feel again.  As she let's him in,she is surprised by how much she care for him.