Osvaldo and Mabel, an Argentine couple exiled for political reasons in the United States, travel to their country of origin after ten years to reconnect with their family and friends, including "el Negro", Mabel's brother, and his wife, " the Yoli ». Mabel offers her brother the possibility of working in New York with the aim of improving their economic situation, but his wife is opposed.

A young priest travels to Buenos Aires in order to help sick people during the 1871 yellow fever epidemic.