Walter and Police Girl Victoria fight the Valentine brothers and their ghoul army, when they invade the Hellsing mansion. Alucard's watching "Adventure Time (2010)", but joins the fight when one of the brothers shoots his TV.
Bishop Maxwell meets Sir Integra to complain about Alucard's threats to Pope signed with a lewd pseudonym. Alucard goes to Brasil on what he thinks is a vacation and bloodbath ensues, culminating with the fight with the Dandy Man.
Alucard reminiscence with the Queen about their hot adventures back in the day, the Nazi Major declares war, bishop Maxwell sends his peacekeepers who are totally not crusaders and Alucard, fueled by AC/DC, deals with Rip Van Winkle.
With Alucard trapped on a boat in the middle of the ocean, the Nazis begin their assault on London. With the ongoing chaos, Integra attempts to escape the burning city.
Integra is saved by Anderson, Meanwhile, Zorin Blitz disobeys orders and commences a full frontal assault on the Hellsing estate in a blood lust fuel frenzy.
Alucard returns home and has to deal with Maxwell's crusaders and the Major's army of Nazi-vampires; Alucard and Alexander Anderson get their rematch, and Anderson goes to extreme lengths to kill the now full-powered Ultimate Vampire; A betrayal leaves Hellsing and the remains of Iscariot in a hard battle.
