Baekhyun doesn’t believe in love. Kyungsoo is his best friend. 

Chanyeol is the exact opposite of Jongin (Kai), his twin brother. He likes to party, play and is not serious with his relationships with his lovers.

Jongin is the exact opposite of Chanyeol, his twin brother. He likes to study and very serious with his relationship with his lover.

Kyungsoo found his second love. Baekhyun is his best friend.
 
This is a story about four people with different perceptions in life and in love who met through fate. Will they understand each other and be together? Or will they give up and let each other go?