SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
The Invitation Summary and Synopsis
After the death of her mother and having no other known relatives, Evie (Nathalie Emmanuel) takes a DNA test… and discovers a long-lost cousin she never knew she had. Invited by her newfound family to a lavish wedding in the English countryside, she’s at first seduced by the sexy aristocrat host but is soon thrust into a nightmare of survival as she uncovers twisted secrets in her family’s history and the unsettling intentions behind their sinful generosity.
Source: Wikipedia (CC BY-SA 3.0).