It’s tempting to see the film as a character study, but there’s a lot about Romy that Reijn would rather not share. Romy’s assistant, Esme (Sophie Wilde), mentions that her boss grew up in a cult. We catch a glimpse of it in a quick flashback. But there’s no pathological “a-ha!” moment. Romy is who she is.

Halina Reijn’s nervy “Babygirl,” starring Nicole Kidman and Harris Dickinson, explores the boundaries of desire and consent.

Nicole Kidman bares body and some soul in a story about a married woman who enters a dominant-submissive affair with a younger man.

The demands of achieving both one-day shipping and a satisfying orgasm collide in Halina Reijn’s “Babygirl,” a kinky and darkly comic erotic thriller about sex in the Amazon era. Nicole Kidman stars

The actress plays a CEO who begins a relationship with an intern in director Halina Reijn’s erotic drama.

Some might find the movie a little hollow for this reason but those who were excited by the torrid trailers and the idea of Nicole Kidman in a soapy affair story won’t be disappointed. “Babygirl” delivers what it promises.