In Season 3 of "The Boys," the team continues their fight against Vought and the corrupt superheroes. They discover an anti-Supe weapon called "V24" and learn about Soldier Boy, a legendary Supe thought to be dead. Meanwhile, Homelander's instability grows, creating more chaos. Butcher and Hughie grapple with using V24 to gain temporary powers, challenging their morals. The season culminates in a showdown between the Boys, Homelander, and Soldier Boy, with devastating consequences and shifting alliances, leaving the future of the Boys and Vought in a precarious balance.