Akiko (Atsuko Maeda) travels to Vladivostok to meet Matsunaga (Ryohei Suzuki), who she first met in Tokyo and is unable to forget. Even though Akiko meets Matsunaga again, Matsunaga does not remember her.
Rui used to be a singer, but now works at a bar. She then meets successful idol singer Momoko, but, by accident, Rui kills Momoko and her colleagues. To create an alibi, Rui puts together an idol group.