A young Spanish woman who has newly moved to Berlin finds her flirtation with a local guy turn potentially deadly as their night out with his friends reveals a dangerous secret.

Newsreels, songs and films by Gardel, real scenes with events and historical figures from Argentina and the world, images of the accident that took his life in Medellín and the funeral in Buenos Aires.

A woman's voice says she was wife to Renzo Franchi and Carlos Gardel (1890-1935), Argentina's great tango singer. People say she's crazy. Her story unfolds. Buenos Aires, 1933: Juana Romero, a seamstress who lives for the music of Gardel, dumps her boyfriend Gustavo for Renzo, a singer who looks like Gardel. She insists that his trio performs Gardel's tangos, which leads to Renzo recording a Ford commercial when Gardel himself is overbooked. The trio, with Joanna in tow, goes on an ill-fated tour of points north. The couple breaks up: she goes home and he tries to get to New York. Fate steps in, and once again he's called upon to pose as Gardel. Then, legend and a bracelet take over. Written by

The film refers to the romance between a young mechanic of humble working background and a university student from a well-to-do family of professionals who face the difficulties originated in their different social origins.

Dos en el mundo is a 1966 Argentine film directed by Solly Schroder