Plot
Joon-ho (Shim Hee-Sub) first met Eun-ji (Jung Hye-sung) through a dating application and spent a night together. They later had another encounter when Joon-ho applies for a part-time photographing job at a magazine. The two developed feelings for each other, but they remained in an open relationship between friends and lovers. The term “mates” was coined because of their avoidance of commitment in the relationship.Cast
*Shim Hee-sub as Joon-ho * Jung Hye-sung as Eun-ji * Gil Hae-yeon as Geum-hee *Jeon Shin-hwan-I as Jin-soo *Yoon So-mi as Da-hee * Song Yoo-hyun as Ji-seon *Han Sa-myung as Sang-won *Heo Jin as Kelly writer *Park Sae-byeol as Reanimation nurse *Kim Chang-hwan as Byeong-joo (cameo) *Kang Sook as Herb shop owner (special appearance)References
{{reflist 2018 films South Korean romantic drama films 2010s South Korean films