Barker's old pal, Marcus, a security guard at ritzy jewelry store, gets Barker and Ellis involved in a nerve-wracking case involving millions of dollars and a deadly virus. Susan, the store's vice president, has stolen precious jewels in a desperate attempt to pay off the people who've allegedly infected her son with the virus. Barker and Ellis race the clock as they try to track down the blackmailers and figure out what may be threatening the boy's life.