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The raucous fraternity step dance that opens the third act brought down the house.

That step dance still stopped the show on Monday evening, when “Fire” returned to the Met.

But here she conjures visions no less memorable than the showstopping step dance of “Fire”: a raucous carnival in St. Thomas, an explosively macho boxing gym, gay bar encounters that radiate some genuine heat.

The staging reunites members of the team that helped make “Fire” vivid: the director James Robinson, the choreographer Camille A. Brown — the step dance routine that she conceived for “Fire” stopped the show — and the Met’s music director, Yannick Nézet-Séguin.

They’re both Irish Americans who grew up learning traditional step dance before turning to contemporary styles.