Original title: La Habitación de al Lado

Ingrid (Julianne Moore), a best-selling writer, rekindles her relationship with her friend Martha (Tilda Swinton), a war journalist with whom she has lost touch for a number of years. The two women immerse themselves in their pasts, sharing memories, anecdotes, art, movies—yet Martha has a request that will test their newly strengthened bond.

https://www.themoviedb.org/movie/1088514-la-habitacion-de-al-lado