Every couple has ups and downs, every couple argues, and that’s the thing—you’re a couple, and couples can’t function without trust. That's what they've been through. But break up is the only way?

"Where is the happiness?"

Main Characters

Jung Eunji

Kim Sunggyu

Yoon Bomi 

Lee Howon

Park Chorong

Hong Yookyung

Kim Namjoo

Oh Hayoung

Nam Woohyun

Lee Sungyeol

Jang Dongwoo

Lee Sungjong

Minor Character

Park Jungsu

Lee Hyukjae