La Loba Negra (The Black She-wolf) is an opera in 3 acts by Francisco Feliciano with libretto by Fides Cuyugan-Asensio.

The opera tells of the story of the Governor-General Francisco Bustamante and his subsequent assassination and the revenge of his wife Luisa, now called La Loba Negra, after the death of her husband.

The laloba negra is the music was written in a vibrant expressionist style, contains violent contrasts in pitch and instrumentation, rapidly shifting keys and meters, and vivid orchestral color, as heard in eerie wolf calls and forest sounds.

A minor disturbance is caused by the entrance by Macatangay, an Indio servant, with message to the governor from his employer, Auditor General Torralba.

Friar Totanes was in full view and hearing of Auditor Torralba exacting their share of taxes from the various merchants gathered to get their trade permits.

The confrontation lasts a few minutes, whereupon Bustamante discovers an empty treasury and orders the immediate incarceration of Torralba at Fort Santiago - the dreaded jail for political prisoners and criminals at the time.

Amidst a backdrop of evil conspiracy in a "Mass" without a service, where the altar was a symbolic coffin covered by a black cloth, draped with a Spanish flag topped by a huge crucifix, Fray Totanes exhorts the gathered hooded priests to rid the community of Bustamante, be it by sword or by poison.

As she prays to Jesus Christ and the Virgin Mary asking for redress of the crime committed on her loved ones, her mind snaps.

Luisa, now the La Loba Negra, commences on her avenging mission amidst elaborate Palm Sunday rituals.

Luisa, watching the scene, moves together with Dolores (now called Florentina), to begin yet another orgy of killing friars.

The scene is carried back to the Prologue with Luisa castigating the Friar responsible for her daughter's seduction and rape.

Before Luisa dies, she speaks of a bright tomorrow after the long night, "Napakahaba na ng Gabi" (The Night is so long) her spirit lives on in "Sulong, Mahal kong Kababayan" (Advance, my beloved countrymen) sung by the entire chorus.