Anime Profile: Gungrave

The is the story of Brandon Heat, a man who descended into the dark underworld in the name of revenge. He was once a very silent, peaceful man, with a forbidden love in his heart. Then the underworld syndicate Millennion came, armed with a host of undead soldiers. Everyone began to die, including his friends and the father of his beloved Maria. He and Harry McDowell decide to join Millennion hoping to take it down from within. Then, sucked in by the lust for power, Harry turns traitor...and Brandon becomes just another corpse.

But there are some things that refuse to remain buried...and revenge is one of them. In this strange place where the dead walk among the living, a scientist finds a way to wake the fallen man. Brandon rises again as "Beyond the Grave", a dark angel bent on ensuring that before his own final descent into Hell, he'll make certain that Millennion (and the hated traitor Harry) will join him there.

From Yasuhiro Nightow (creator of Trigun) comes a dark, gritty, action-packed thriller where innocence is the first casualty. In this world, if you wanna be a guardian angel, you may just have to make a deal with the devil.