In a sea village, there is a high school freshman, Da-young, who broke up with her boyfriend after summer vacation. Da-young, who has to write the most memorable thing for her vacation homework, writes down the lies of that summer day, recalling her memories with her ex-boyfriend, Byung-hoon.

Cast

Park Seo-yun

Da-young

You Eui-tae

Ji-seok

Cho Kook-hyung

Teacher

Choi Min-jae

Byung-hoon

Yoon Jae-in

Eun-hye

Kim Chae-won

Mi-sook