Storme Toolis

When a Roman sword is discovered with traces of blood on it, the DNA is linked to an unidentified, headless corpse found near Heathrow in March 2008. The team search a lockup belonging to the owner of the sword, a body builder called Mark Rix who died of a suspected heart attack, also in 2008.

When a dug-up time capsule is found to contain a cassette tape made by murdered schoolgirl Amy Taskerland, UCOS are assigned to the case. Sixteen year-old Amy was murdered on the night of her school disco in 1983.