It will contain all main DN characters, and I'll just post the summary/link if you're interested :)
As L continues his constant battle against Kira, an old acquaintance seemingly rises from the dead. The detective must now face not only one, but two mass murderers. And if that wasn't bad, apparently B isn't as forgiving for the institution in which he was raised. Sinister plans by more than one have been made. No one is safe any more, and no one can be trusted.
link