High school student Starry and her mother, who runs an Indonesian grocery store, depend on each other. The mother meets a man with a criminal record and his son on a social networking app, disrupting their lives. Starry becomes an online detective, aiming to prove they are not trustworthy. Starry’s unwillingness to understand and to extinguish her mother’s courage to pursue love follows. Ultimately, Starry realizes the need for change, to open her heart to her mother, and to understand that communicating with the outside world won’t make her lose what she loves.