Sister Angela and Sister Mary park his van in front of a bank branch. They enter the bank and with the weapons hidden under their habits, commit the robbery of the century, to the astonishment of all employees and customers. After thorough police investigation the two nuns are arrested, but then appears Trini, twin sister of one of them and now all is not so clear. Were the nuns who committed the robbery?

Lina Morgan
as Sor Ángela / Trini Montero

Tote García Ortega
as Sor María

José Manuel Cervino
as Requejo

Aurora Bautista
as Madre Superiora

Jesús Castejón
as Ramírez

Beatriz Rico
as Nati

Luis Fernando Alvés
as Beltrán

Neus Asensi
as Chelo

Manuel Tejada
as Ricardo

Pilar Bardem
as Sor Tomasa