In a crowded two-bedroom apartment in Tokyo, four Japanese twenty-somethings are waiting for their lives to begin. They have come from all over Japan, bringing with them dreams of success and romance, but life isn't exactly going as planned. Kotomi waits by the phone for a boyfriend who never calls, Ryosuke is sleeping with his best friend's girlfriend, and Mirai's drinking has become a serious problem. Only Naoki, an aspiring filmmaker and the glue that keeps them all together, seems to be on the right track. Meanwhile, their next door neighbors are up to something suspicious, and a mysterious attacker is terrorizing the neighborhood. When a homeless teenager suddenly appears, his arrival sets off a chain of events that will bring to light dark secrets the tenants of Apt. 401 have kept from one anotherand from themselves. Paradefrom Shuichi Yoshida (';Japan's Stieg Larsson' The Wall Street Journal), the wildly popular author of Villainis a shocking story of life in the big city.