The singing stops and the chiropterans scream in sorrow. The US military has decided to bomb the opera house to destroy evidence. The children of Diva are born and smile innocently at Saya and Kai. Kai swears to raise them himself. He begs Saya to live on with him. Soon, the Metropolitan Opera House will be bombed and vaporized with no trace left. The battle that started in 1883 will soon end in ways no one could have forseen, and Saya must decide if the destiny she planned for herself will really be fulfilled.

The curtain rises and the world-wide satellite broadcast of Diva's concert begins. To stop Amshel's plan to fill the world with chiropterans using the Synchronicity effect of Diva's singing, Saya and Hagi infiltrate the New York Metropolitan Opera House determinated to destroy her once and for all. During a conversation with Amshel, Nathan reveals a surprising secret.

The Metropolitan Opera House has been turned into a battlefield. The two Queens are fighting on stage. Meanwhile Nathan watches with an ominous smile. Behind the stage, Amshel is fighting against Hagi. Outside the Opera House, David and Kai are trapped inside a transmission trailer, surrounded by chiropterans. Lewis offers himself as decoy so the rest can break out.

Accompanied by Nathan, Solomon visits Diva. Suddenly, he attacks Diva. Mao sets up Kai to go shopping with Saya. Meanwhile, Julia reveals the effects of Diva's singing.

David, Lewis, Kai and Okamura are heading to Staten Island to sabotage the broadcasting of Diva's public performance. Hagi and Lulu are protecting Saya from James' attack in the apartment. Solomon is released by Nathan and rushes to help her.

David is severely injured and is being sent to the hospital. Solomon is hiding Saya in his Penthouse in New York. He confesses his desire to defeat Diva and to stay with Saya even if he has to face hellfire. As he gets close to her lips,she slaps his face.Haji then appears.

Moses attacks Kai and the others, while they are searching for Karman. He chases Kai into the forest of Central Park. Karman appears and takes the blow for Kai. Later Moses and Karman take their cape off from their faces in the sun and ignite into green flames.

Saya has strengthened her determination to eliminate Diva after learning that she is pregnant. Moses and Lulu are shocked to discover that Karman now is inflicted with the "Thorn". Then James, who supposedly died on Christina Island, appears in front of Moses.

Kai infiltrates the air force base but is lured deliberately by Amshel to Diva. Kai is shocked to hear that Diva is pregnant with Riku's babies. As Diva is about to sink her teeth into Kai as he refuses to be her Chevalier, Saya and Hagi appear. Amshel and Nathan block their escape route. Then Solomon comes to the rescue. Collins tries to murder Julia, and David finds Julia inside the base but is shot by Collins.

David and the rest settle in a cheap apartment in Little Italy (Chinatown). They are joined by Okamura and Mao who just had their apartment in Los Angeles blown up. Lewis learns about the conpiracy between the Chevaliers and the US military from his old CIA contact. Joel is tipped off by a retired general about Diva giving a performance in an Air Force Base in North Carolina. Amshel requests Julia to be the personal physician for the pregnant Diva.

Gray and Kai invite Saya fishing. The leader of Goldsmiths Holdings, Amshel, celebrates his business success in America with a party. David and Joel pay him a visit. After the party Amshel appoints Van Arigano as CEO of Cinq Fléches' American operations, replacing Solomon.

Saya is recuperating in a hotel in New York, but her condition does not improve. Soloman confronts Amshel and tries to make him stop the battle between Diva and Saya. Amshel ignores his plea and states his theory that Chevalier can only die when they come within contact of Saya's or Diva's blood. Solomon proclaims his love for Saya and his desire to protect her, thus losing his identity as Diva's chevalier

Based on Solomon's advice and Okamura's intelligence, Saya and co. head for Christina Island hoping to meet Diva there,but only find James and the mass-produced Schiff known as the Corpse Corps, who setted a trap for them.

While in London, Monique invites Saya to Javier's birthday party at Gray's House. At the same time, Carl leads the Corpse Corps without Amshel's permission for a showdown with Saya.

With the help of Okamura, David locates the Goldsmiths & Cinq Fleches joint-venture laboratory in the outskirts of London. Diva is preparing for her performance at the Royal Covent Garden, while the Chevaliers are setting up a trap for Saya and Hagi.

As Amshel is facing opposition from Solomon, he puts James in charge of eliminating Saya. The Schiff are forced into a hard fight with Chevalier James and the Corpse Corps, who are revealed to be clones of Moses. Loulou seeks help from Saya.

The Red Shield HQ is under attack from Diva and Carl and Red Shield members are falling one by one. Saya is fighting against Carl, while Diva pursues Riku, and subsequently kills him.

It has been one year since Saya and Hagi went missing during the attack of the Red Shield HQ. Kai escaped to London and is living in a shelter for war orphans with Gray, an ex-military and former David's instructor. David however, still has not gotten over what happened.

Saya saves Kai and Lewis from the chiroptera but faints from exhaustion. She is taken to Gray's house to recover but wishes to leave immediately after waking. A chiropteran has tracked her scent to the house.

Solomon informs David that the Chevaliers are preparing to attack the Red Shield HQ in three days, but Diva has other plans.