The overarching plot of "Cowboy Bebop" is the tragic love triangle between Spike, his former partner Vicious, and a woman named Julia, all set against the backdrop of the Red Dragon Crime Syndicate. Spike and Vicious were once comrades in the Syndicate, but when Spike fell in love with Julia, Vicious's girlfriend, he decided to leave the organization with her. Vicious discovered the affair and gave Julia an ultimatum: kill Spike or they would both be killed. To save them both, Julia went into hiding, and Spike faked his own death to escape the Syndicate.
This history is revealed in fragments throughout the series, primarily in episodes like "Ballad of Fallen Angels" and "Jupiter Jazz." The seemingly disconnected bounty-hunting episodes serve to develop the characters who form a temporary family on the Bebop, a fragile peace that is shattered in the finale. The final two episodes, "The Real Folk Blues," bring this storyline to its culmination. Vicious stages a coup and takes over the Red Dragon Syndicate. Julia finally comes out of hiding and reunites with Spike, but their reunion is tragically brief. She is shot and killed by Syndicate henchmen during a gunfight.
Julia's death is the catalyst for the series' climax. With nothing left to lose, Spike decides to confront his past once and for all. He returns to the Bebop for a final meal and a quiet farewell with Jet, and a tearful confrontation with Faye, telling her he is going "to find out if I'm really alive." Spike then single-handedly assaults the Red Dragon headquarters. He fights his way to the top and engages in a final, brutal battle with Vicious. Spike succeeds in killing Vicious but is mortally wounded in the process. In the final, iconic scene, he stumbles down a grand staircase, looks up, sees a vision of Julia, makes a finger gun gesture and says "Bang," then collapses. The last shot is of a single star in the sky winking out, symbolizing that he has died. The concluding message, "You're gonna carry that weight," implies that the survivors, and the audience, are left with the emotional burden of his tragic end.