L has now been given a limit of 23 days to live prior to himself writing his own name in Light's Death Note. Light is now dead and L knows he can not let the Death Note fall into the wrong hands. L embarks on a 23 mission trying to accomplish what Light did the wrong way, cleaning the world with Justice of the law. He spends time until 7 days are left. L has been sent a gift be a fellow operative under attack, a small child without a name. L must care for this child for the time being. But horrible news sweeps in and K an operative that has betrayed her country has now cooperated with a terrorist company to spread an unknown virus killing thousands to decrease the world population. And a young girl named Maki is the cure.