The death of a Japanese S.H.I.E.L.D. agent at the United Nations Headquarters in New York City leads Hawkeye, Mockingbird and Dominic Fortune to Sakha, Russia where they meet up with the Black Widow who is investigating the mass murder of K.G.B. trainees. Surveillance video reveals the killings are carried out by the Dark Ocean Society lead by a new Ronin, the guise once used by Hawkeye. However before their investigation is completed the group is attacked by the Supreme Soviets and are forced to split up. Hawkeye and Black Widow travel to Sapporo, Japan, the base of operations of the Dark Ocean Society and Mockingbird and Dominic Fortune head to the tip of the Kamchatka Peninsula following mass Russian troop movements. The group reunites on the disputed Kuril Islands and discover that the identity of the new Ronin is Alexei Shostakov, the original Red Guardian and Black Widow's ex-husband. Shostakov reveals he intends to force a war between Russia and Japan that will restore Russia's former glory. A battle ensues as Hawkeye, Mockingbird, Black Widow and Dominic Fortune take on a combination of the Dark Ocean Society and the Supreme Soviets. During the battle Hawkeye receives a critical blow to the head, Black Widow however manages to take down Shostakov with the help of the Supreme Soviet member, Fantasma.