It’s embarrassing to admit your fears, especially when it’s a phobia of flying and you’ve already bought vacation tickets with your new boyfriend. In preparation for this trip, Sarah enrolls in an exclusive course designed to cure her fear of flying, with the final test being a round trip from London to Reykjavik. What sounds doable on paper becomes complicated when the group includes a grumpy writer, an inventor, his influencer girlfriend and a timid guide. Along with the turbulence, spirits heat up and anxiety gives way to a frothy wave of paranoia that turns the trip into a race against the clock at the end of which, literally, who can fly.