开放日

A couple on the verge of a nasty divorce attempt to sell their empty love nest and move on with their lives, separately. After a successful open house they are horrified to discover, days later, that a potential buyer didn't leave their home. While Alice is being held captive in the basement, the unannounced house guest moves in upstairs. She senses her capture is being kept a ...

《开放日》的基础信息更偏电影，简介里的“A couple on the verge of a nasty d...”提供了第一层判断，剩下可以再看主创和年代。