Buy new love by buying and selling old stuff (?!). After breaking up with her boyfriend, Han Geol sold souvenirs on the second-hand shopping app “Neighborhood Market”. But when I found out that the person who came to buy things was my ex-boyfriend…. The “old-boyfriend” that appeared at the right time helped the confused Han Geol avoid that awkward situation….! ex-boyfriend Kang Hyun and new lover Lee Ahn, what will be the end of this love triangle?

거래 하실래요?