Drawing together footage, photographs and texts from archival sources as well as the artist’s personal collection of materials, Yto Barrada’s new film is as much a poetic enigma as it is a portrait of identity. Ether Reveries (Suite for Thérèse Rivière no.2) takes as its starting point the work and life of Thérèse Rivière (1901–1970), a French anthropologist whose remarkable working life was cut short following her confinement in psychiatric institutions.

• Documentary