Minjun sets up a fake profile to get Eunju, his crush, to accept his follow request on social media. Now, with her daily activities and whereabouts available at his fingertips, he uses this information to move in as her next-door neighbor. But little did Minjun know, that Eunju's life isn't anything like what she posts online–this sends him down an unexpected path, where he learns that following Eunju turns out to have its consequences.