Yoshimi Matsubara (Hitomi Kuroki) is finalizing her divorce and her custody battle over their daughter Ikuko will soon be put to rest. Yoshimi soon moves into a new building apartment to start over. Nice and spacious, she soon finds out that the building has an unusually strange water problem. Stranger things soon start to happen and Ikuko starts disappearing every now and then and her behavior is completely changed. What is it with the water in the building?