She would later serve as the capital city's first female Vice Mayor of Manila from 1940 to 1941 and again from 1944 to 1951.

Her siblings include attorney Charito Lim Planas (a former vice mayor of Quezon City),[1] socialite Adela Planas-Paterno (former Miss Visayas), and businessman Severino L. Planas.

Then she was assigned to argue the negative side on the same issue, she defended it with even more convincing eloquence.

[citation needed] During the height of the Cuervo-Barredo case, Planas made an eloquent and impassioned speech in front of a youth rally, criticizing Commonwealth President Manuel Quezon's interference in the judiciary.

[7] This was due to an incident when she was hurrying out of the office to an appointment, bypassing a reporter who had been hoping to interview her.

When World War II came to the Philippines, Planas did not stop serving her fellows.

She was always seen bringing food and other forms of aid to hospitals and to the homes of the injured ex-servicemen.

She became the governor and secretary of the Philippine National Red Cross,[9] She was also legal adviser to the Philippine Association of Women Doctors, the Filipino Youth Symphony Organization, and the Women's International League.