Yona has been stuck behind a desk for years working as a programming coordinator for Jungle, a travel company specialising in package holidays to destinations ravaged by disaster. When a senior colleague touches her inappropriately she tries to complain, and in an attempt to bury her allegations, the company make her an attractive proposition: a free ticket for one of their most sought-after trips, to the desert island of Mui.

She accepts the offer and travels to the remote island, where the major attraction is a supposedly-dramatic sinkhole. When the customers whove paid a premium for the trip begin to get frustrated, Yona realises that the company has dangerous plans to fabricate an