End of the 20th century. A group of scientists executes a project aiming to prevent a nuclear war with the planet Khalom. From their experimental project, involving manipulating events in the past, two mysterious human creatures travel between the present and the 19th century, and back - getting in love with four different persons.

Guida Maria
Brunélia / Mariana

Sinde Filipe
President Veiga Rebelo / Eduardo Veiga Rebelo

Suzana Borges
Paulina / Lúcia

Manuel Coelho
João Carlos / José Manuel
Silvina Pereira

Carlos Daniel

Rui Mendes

Mário Jacques
Baptista Fernandes

Joaquim Rosa

André Gomes
Minister of the Kingdom

José Eduardo
Maitre d'Hotel
Luís Horta

Melim Teixeira
Agostinho Alves