Tough Steffie and the stinking city - AVI-E4

Steffie and Said have to give a presentation about the Middle Ages. Inventor Rinus allows them to travel there with the time machine. They have to promise to extract the secret of the philosopher's stone for him. But a medieval city was not nearly as clean as a city today. There is poop everywhere on the streets and pigs and chickens are just roaming around! Steffie and Said are amazed. But then Said is captured. Will Steffie succeed in freeing him?