Anjani (Shirley Anggraini) run away from home after she was accused of being involved in an obscence act with her male friends. She follows Anggalih (Tim Matindas), her platonic boyfriend from junior high school who is on his journey to the catholic seminary after the school holiday over. In the middle of the journey. Anjani’s powerful father send Ruben (Tio Pakusadewo), a scoundrel investigator, to get Anjani home. Ruben stalks, persuades and deceives Anjani with the ways of a devil. Toilet Blues is a question of right and wrong, heaven and hell which is not always shown to the public, just like graffitis in public toilets visited by Anjani in her journey with Anggalih.