The DSA was hired by a mysterious woman to stop Asano from acquiring and using on Takizawa a black market medicine designed to cure Alzheimer's disease.

Leo appears in front of Aiko and asks for shelter, as he is being followed by a very powerful enemy. He decides he can't put her life in danger, so he seeks shelter with the Black Scissors.

While the mission to deliver a suitcase seems simple, several men attack the DSA on their way to the rendez-vous point. After a narrow escape, the DSA discover it contains a very powerful germ capable of causing a lot of damage.

Mikura meets someone and leaves, and Kurokawa has a job to do and Harada tags along. Their client, Taneri, believes his wife is having an affair and hires the DSA to follow her.

Mikura and Sakura spend quality time with one another for the first time in two years. They catch up on old times and try to make up for lost time. Mikura suspects something is strange and eventually confronts Sakura.

Harada runs into an old girlfriend, Mano Asakura. He is cold toward her and expresses how uncomfortable he is around her. Mikura and Kurokawa try to dig for clues about what happened between Harada and Mano.