The first trailer for Her, director Spike Jonze’s new Joaquin-Phoenix-falls-in-love-with-an-operating-system movie, has just landed.

Her stars Phoenix, Rooney Mara, Amy Adams, Olivia Wilde, and Scarlett Johansson (as the OS voice). It’s slated to premiere on November 20th. Here’s the official synopsis:

In the not so distant future, Theodore (Joaquin Phoenix), a lonely writer purchases a newly developed operating system designed to meet the user’s every needs. To Theodore’s surprise, a romantic relationship develops between him and his operating system. This unconventional love story blends science fiction and romance in a sweet tale that explores the nature of love and the ways that technology isolates and connects us all.

Tantalizing. With anyone else at the helm, I might have written this one off. Call me skeptical. But I trust Spike Jonze for something like this (whatever this is), who is both writing and directing the film. Plus this trailer is rather promising.