The Park sisters go to their dad's for the summer, but unlike every other summer they have spent with their dad, it was different, love, lust, envy, pride, heartbreak, happiness and all other emotions are felt and experienced through the few weeks of summer this year round.

Victoria -

Oldest sister

Cute

Strong headed 

Ambitious 

Wants to get married soon but doesn't fall for the right guys

ShinHye - 

2nd sister

Cute

Loving

Confident 

Has her life sorted

Lacks in dating experience 

SoEun - 

Youngest sister

Quiet 

Short tempered

Never has had a boyfriend 

Bookworm

Lacks in emotions