Barcelona, 1983. Agustí Martorell is a left-wing lawyer, atheist and former anti-Franco fighter, who discovers that his 15-year-old daughter Esther, influenced by the optional religion classes of Mossèn Parcerisas, a progressive priest and post-councillor, has converted to Catholicism and was secretly baptized.

A young girl who survives a plane crash in the jungle grows to adulthood and becomes "Kilma," a feared protector of the jungle who wields a bullwhip.

Commissioner Mendoza must join forces with the honorable civil guard, to stop the activities of a network of drug traffickers with international contacts that intend to act in Spain.