Director Chloe Okuno's debut thriller stars Maika Monroe ('It Follows') as an expat being stalked, perhaps, in Bucharest.

Chloe Okuno's Watcher keeps tensions high throughout with strong performances from Maika Monroe and Burn Gorman.

Maika Monroe leads this tense thriller about female vulnerability

Having moved with her husband to an unfamiliar city, a young woman is menaced by a creepy neighbor — or is she doing the menacing?

The terror here is mostly from the threat of what might happen. There's nothing scarier than that.

Scream queen Maika Monroe heads to Bucharest for the excellent Hitchcockian suspense thriller Watcher.

Chloe Okuno's debut feature settles for cheap thrills in its story of an American woman being stalked by a killer in Bucharest.

What's worth your time in TV and movies this weekend? EW's critics review 'Fire Island,' 'Watcher,' 'Irma Vep,' and more.

Stalker thriller is coldly gorgeous and creepily enthralling

'Watcher' gives a feminist twist to a throwback genre, but never does its topicality dilute its gripping suspense.

A woman struggles to convince her husband of a threat from the neighbour in this classy thriller set in Bucharest

Maika Monroe and Karl Glusman star in 'Watcher,' a stylish, Bucharest-set thriller directed by Chloe Okuno.

A lonely resting actor in Bucharest becomes more and more disturbed by nearby events and is not reassured by her husband

Maika Monroe, who starred in 'It Follows,' is the best thing about Chloe Okuno's creepy thriller 'Watcher,' a film about a woman living in fear.

Is there a place for exploitation-era scream queens in our current wave of “elevated horror”? The horror movie Watcher suggests there is, and Maika Monroe, star of The Guest and It Follows, fits the bill. In theaters June 3.

Maika Monroe stars as an lonely, American trapped in a European city she does not know, beginning to see paranoid visions...or something else

Watcher wants you to believe your eyes—and then judges you for it