The tales of 8 different person with various background but with the same problem when it comes to feelings — love, hate & friendship.

Introducing the hearts owner:

• Son Naeun / Naeun
• 26 years old (27 years old in Korea)
• Model - own her own fashion brand (SNE)
• The next heirs for THE S GROUP
• Cold, blunt, princess-like-attitude

• Park Chanyeol / Chanyeol
• 28 years old (29 years old in Korea)
• Baekhyun's partner / freelancer
• Majoring designer
• Tall, prankster, rich

• Park Chorong / Chorong
• 28 years old (29 years old in Korea)
• Etiquette teacher at Seungri HS
• Nice, kind hearted, clumsy
• Has a crush on Kim Minseok (her former senior)

• Kim Junmyeon / Suho
• 29 years old (30 years old in Korea)
• Successful businessman
• Charming, nice, short-tempered (sometimes), cares for his loved ones
• Girls' favorite one-night-stand partner

• Yoon Bomi / Bbom
• 26 years old (27 years ld in Korea)
• Baekhyun's cafe worker / waitress
• Lives with Chorong
• Cute, bubbly, strong, sensitive

• Do Kyungsoo / Dyo / Kyungsoo
• 28 years old (29 years old in Korea)
• Attorney - own his own law firm
• Charming, mysterious & broken hearted
• Once a married man

• Kim Namjoo / Namjoo
• 21 years old (23 years old in Korea)
• Unemployed / freelancer
• Suho's sister
• Pretty, bubbly, easy-going, happy kid

• Byun Baekhyun / Baekhyun
• 28 years old (29 years old in Korea)
• Freelancer - owns a building & run a cafe
• Born in a silver spoon - came from wealthy family
• Spoiled brat, playboy, innocent like smile

Other minor characters:

Xiumin - Eunji - Sojin - Sungjae

• Pairing: Suho/Chorong/Xiumin/Eunji - Baekhyun/Naeun - Sojin/Kyungsoo/Namjoo/Sungjae - Chanyeol/Bomi