Light Yagami finds the “Death Note,” a notebook with the power to kill, and decides to create a Utopia by killing the world’s criminals, and soon the world’s greatest detective, “L,” is hired to find the mysterious murderer. An all out battle between the two greatest minds on earth begins and the winner will control the world.
10 years has passed since the confrontation between Kira and L. Again, Shinigami sends death notes to the ground and due to this, the world soon falls into chaos. Tsukuru (Masahiro Higashide) is a member of the Death Note special task force team with 6 other investigators including Matsuda who experienced the Kira case of 10 years ago. Mass murders caused by the death note takes place on Wall Street in the U.S., Shibuya in Japan and other places. World famous private investigator Ryuzaki (Sosuke Ikematsu), who is the rightful successor of L, also investigates the mass murders. They discover that 6 death notes exists in the world. A computer virus called Kira spreads in the world. A message in the Kira virus says to turn in 6 death notes. A person who has 6 death notes overwhelm the world. The confrontation begins between the person who wants Kira’s revival and the people who want to stop it.
High school student Saya Toma (Erika Toda) lost her parents and younger brother in an airplane accident. Detective Akio Kondo (Yu Tokui) came and told her “your family has a high possibility that they were killed by people who have spec.” That was the first time she heard of “spec”. 6 years later, Saya Toma, who has never forgotten what the Detective said, decides to become a detective. She returns to Japan after receiving training by the FBI in the United States. Saya Toma is assigned to work unsolved cases in the Public Security Bureau. Meanwhile, because of Satoshi Chii’s (Yuu Shirota) scheme, Juichi Ninomae (Ryunosuke Kamiki) considers Saya Toma his parents’ enemy and tries to push her to the edge. Satoshi Chii’s scheme has also caused Saya Toma and Juichi Ninomae to forget that they are brother and sister. The siblings are headed to a life-staking fight. A girl named Maho Ueno (Umika Kawashima) becomes involved in their fight. To protect Maho Ueno, Saya Toma uses “spec”.