Interesting storyline, story is about a group of scientist who created a biological weapon in a form of a deadly virus and is planning to scatter the virus around the world to reduce the human population, which was affecting the earth's ecosystem adversly. One of the scientist who developed the antidote for the virus found out his teammate's plan and was against it, and so he destroyed the antivirus together with himself so that no record of the antivirus could ever be found. His daughter saw him die in front of her eyes and swore to take revenge.
Meanwhile, L, took in a boy who apparently was immune to the virus which had destroyed his village, and also the scientist's daughter. Together with the help of an FBI agent, they had to find a way to destroy the virus in the daughter's body as she injected herself with the virus, but was also immnune due to low sugar level, which kept the virus inactive in her body. However, the group of scientist managed to capture the girl and planned to take her to US to spread the virus there. Finally, L managed to get the antidote and the virus was destroyed. To cut a long story short, the group of scientist were apprehended when the police arrived and the girl and boy were safe, while L was due to die in 2 days time due to his contract with death.