Taipei, 2010. Radio show hostess Vicky (Peggy Tseng), who likes going round the city photographing buildings, is looking for her boyfriend Dog (Lee Ta-chi), who disappeared on 1 Jan, leaving behind some photos. While searching ons his chatroom website missing.com/ing, she comes across many of his other friends, all of whom attend Datung High School. She meets one of them, Cola (Chiu Sheng-yi), who has fallen for punky drummer Cheesebaby, aka Money (Lin Chen-shi), and has an angry-at-the-world boyfriend, Assassin (Lin Po-sheng). She also discovers someone called Cat is looking for Dog. Vicky tracks down Playing (Nikki Hsieh), who plays dangerous games with men she sleeps with and has been connected with many who recently disappeared. Meanwhile, Cheesebaby takes Cola to meet her grandmother, who has an ancient computer that can still read a floppy disk that Dog left behind. On it are random philophical thoughts that Cola transcribes and gives to Vicky. Assassin, who's angry at the time Cheesebaby is spending with Cola, and is also falling apart metally and physically, then takes up with the dangerous Playing.