Recently installed in her brother's apartment in Vigo, Teresa has taken up her brother's position at the port facilities of the firm. There she meets Leo, a friend of her brother's. Meanwhile, Irene Galdón is organizing an important fund-raising event at the Foundation, her son Fran, will present his dry water plant project intended to combat drought in Africa. A cargo with equipment to build the plant will soon be departing for their Luanda delegation. Unsuspected by Fran, Mauro will use the shipment to send the smuggled weapons Lázarao will be sending him, for their buyers in Africa. Teresa gets a big fright when someone breaks into Paulo's apartment, but Inspector Viñas tries to deviate her fear.