火线追凶之绝命狙击Haru, a bookstore clerk, talks to Yukiko pretending to ask for directions. Haru has detected deep sorrow on Yukikoʼs face. Meanwhile, Haru has been spending days following Tsuyoshi discretely and checking his expressions. In the past, when Haru had lost her mother as a junior high school student, she met and talked separately to Yukiko and Tsuyoshi by chance who seemed to suffer from heartache. The action was brought by the remorse that Haru couldnʼt help her mother while knowing her sadness. Haru has kept watching Yukiko and Tsuyoshi now and then. Occasions that Tsuyoshi, who has been aware of Haruʼs behavior, appears at her workplace and Haru once again talks to Yukiko unfold new dimensions in each relationship. Haru confronts with her own feeling toward her mother and grief during the days passing with the two.