Death Note: The Last Name (2006)

The story begins on the heels of the first movie as Light Yagami joins the investigation team in pursuit of the serial killer known as "Kira." While L still strongly suspects that Light is "Kira," Light tries to uncover L's real name so he can kill him with his Death Note. Confusingly enough, a new rash of murders all around the world are taking place, with a "Second Kira" claiming responsibility. Light learns the identity of the Second Kira and suggests they join forces to get rid of L. Will L be able to catch "Kira" before he is killed?