A nun who acts as a counselor in a home for unwed mother undergoes political awakening when her friend and namesake belonging to the same congregation as hers inspires her to get involved in the struggle for justice and freedom of striking workers in a cooking oil company.

Vilma Santos
as Sister Stella Legaspi

Jay Ilagan
as Nick Fajardo

Gina Alajar
as Gigi

Laurice Guillen
as Sister Stella Bautista

Tony Santos
as Ka Dencio

Anita Linda
as Auring

Liza Lorena
as Magazine Editor

Rody Vera
as Roger

Eddie Infante
as Ka Sidring

Adul de Leon
as Sister Juaning