Nightwing is being set up, but by whom and for what reason? Is it Metal Eddie? If so, what does he want from WayneTech? Is it the new Vigilante? If not, why did he kidnap and torture Dick? Also, why has the unknown assassin returned to New York? '321 Days' part 4.

Written By:
Marv Wolfman
Joao Bosco De Souza Filho
Alex Da Silva Soare
Cover By:
Ryan Sook