Two men die of gunfire inside a flower shop in Washington, DC; one victim is a Navy captain named Wallace, and the other is a civilian; Gibbs and company investigate; the Duck sees unusual undergarments, which are also costumes. Both victims are community activists who do neighborhood watches, community service, and fundraising; Gibbs hears a significant clue, so the gang pursue it. Vance reintroduces Gibbs and Wendy, a newspaper reporter, who has information about Wallace. Tony provides liaison with Wendy on the Wallace case; Tony and Ziva meet another superhero, who provides a clue, which produces; Abby finds and interprets a piece of evidence, which also produces. Someone makes an attempt on Wendy's life; Tony provides protection. Tony meets Fred, Ziva meets Wendy, and Gibbs and the gang meet even more superheroes, one of whom is a suspect albeit one with an alibi. The team figure it out and act on it, then Wendy makes a revelation to Tony.