Tom and Eve have agreed to participate in a 30-day experiment called The Millennium Project, where they stay at a luxurious home free of charge and at the end of which, they will receive payment of $50,000.

The experiment called for a newly married couple, however Tom and Eve have lied about their marital status because they are desperate for money.

Director Phillip G. Carroll Jr. had worked on short films prior to coming up with the idea for The Honeymoon Phase, which he came up with while in bed with his wife.

"[1] He re-wrote one of the movie's scenes between Chloe and Schubin, as Carroll felt that it was missing a "key beat".

Carroll has described the scene as his favorite one in The Honeymoon Phase and has described the overall film as "a feature length episode of Black Mirror.

[8] Common elements of praise centered upon the film's acting and suspense, the latter of which Jump Cut Online called "just stunning".

[9][10] Nerdly was also favorable, writing that "Full of indie sci-fi delights and a few creepy moments, The Honeymoon Phase is a welcome kiss at the front door.