SPOILER! REVEALS ENDING! Mark Unwin is one of four employees of Krielsen International oil company captured by militant group MEND whilst they are working in Nigeria. His wife Claire flies out with Alice Onuko, Nigerian-born,British-raised P.R. for Krielsen. When the women arrive in Port Harcourt they are told a ransom has been agreed - as is the norm since MEND depends on rans...