Allegro is a 2005 Danish film directed by Christoffer Boe, who also wrote the screenplay together with Mikael Wulff.

[3][4] Zetterstrøm (Ulrich Thomsen) once had a love affair with a woman (Helena Christensen), then left her and forgot all about his past, in favour of his musical career.

When Zetterstrøm returns to Copenhagen, he is oblivious to this incident and is guided by a mysterious man (Henning Moritzen) into the zone.

Inside the zone, Zetterstrøm must re-experience his unresolved and traumatic love affair.

The film was shot in Copenhagen, Denmark and in Manhattan, New York, United States.