解决中年夫妻危机的特殊方法是什么？

經過十年婚姻生活，榮旭與妍京對彼此的熱情不再，僅靠每月一次的性生活維繫情感。妍京因工作認識了情場高手民植，民植對妍京展開熱烈追求，久違的心動讓妍京情不自禁…；同時，榮旭在追查銀行債務人時，因酒醉而與債務人的前妻發生一夜情。雖然偷情為枯燥的生活帶來刺激快感，但也讓兩人重新檢視對彼此的感情…

Young-wook and Yeon-kyung have been married for 10 years and are slightly worried about their estranged relationship. With their love life decreasing, the two begin to seek attraction elsewhere. Yeon-kyung meets Min-sik, a gallery customer, and falls in love with his charm. Meanwhile, Young-wook meets a debtor's ex-wife in search of a dormant debtor and cannot resist the temptation to sleep with her. In the end, they both find themselves examining love and will the two recover their happiness as when they were first married?

의리로 사는 10년 차 부부 ‘연경’과 ‘영욱’. 빨간 불 들어온 그들 사이에 색(!)다르게 사는 이들이 끼어들었다! 본능대로 사는 남자 ‘민식’ & 즐기면서 사는 여자 ‘재순’ & 참지 않고 사는 여자 ‘혜인’. ‘연경’과 ‘영욱’의 무미건조한 결혼 생활은 그들과의 짜릿한 일탈로 살(!) 맛을 찾아가는데…