Janette Day

A counter-terrorism expert takes a job protecting a young heiress. After an attempted kidnapping puts both of their lives in danger, they must flee.

Set in the future on a war-ravaged Earth, four exhausted soldiers man Sentinel - a remote military base in a vast ocean that separates two warring continents. While their tour of duty ended three months ago, the relief crew still hasn't arrived and as the empty weeks turn to months, paranoia descends, testing relationships to breaking point...