Fasten Your Seat Belt (2018)

At the seaside, a young girl called Amy falls into the water and fights to get herself loose from the seat belt she is still attached to. Another woman is falling right in the sand. Apparently a flight attendant with a Christian cross necklace around her neck. Finally, Amy breaks free but injures her arm by doing so and swims to the shore passing several dead bodies. However, there seems to be no sign of human activity all around. Disoriented she looks for help and runs into the forest. Completely exhausted, physically as well as mentally, she breaks down after a short while. As a flock of birds scare her up, she discovers a welcome sign to a village that says "Welcome To One Butterfly At Seas". She enters the village in desperate need of help and randomly knocks on doors, but yet again finds nobody. The sudden enlightenment of a church in the far distance breaks through the darkness. Walking towards the church Amy passes an old graveyard. Inside that church she finds a nun preparing the prayer table and it turns out to be the dead flight attendant from the beginning.