Gemma (Imogen Poots) is a teacher. Tom (Jesse Eisenberg) is a gardener. They’re a couple – a happy one. And, as happy couples do, they’ve started looking for their first home.
It’s this search that brings them to Prospect Properties, where they meet creepy and persuasive estate agent Martin (Jonathan Aris). He convinces Tom and Gemma to visit one of Prospect’s show homes in the ‘Yonder’ development. They follow him to number 9 – a perfectly nice house on a perfectly nice street, each building uniformly painted a sickly shade of mint green. When Martin leaves and the couple struggle to find their way out, Vivarium descends into a surreal suburban nightmare that will make any millennial watching glad that they’ll probably never get on the property ladder.