Ahn Hyejin, a college student slash sugar baby who's going to lose her home over an unsatisfied client. A strange meeting in the station gave her a temporary shelter at Moon Byulyi's, a visually-impaired woman with a smile too wide and a heart too big to accept a total stranger into her apartment.  Do not catch feelings! It's only a temporary arrangement, anyway.

A freelancer who goes with the flow. A phone call that turns numerous, intertwining stories of the past and its repercussions that might change their future altogether.