Grey becomes involved in a relationship with a female Israeli soldier when the team travels to Israel to study advanced desert warfare. When the two go off into the desert alone, they become surrounded by hostile Arab militia. On base, Tiffy stumbles upon a windfall which makes her question her motives.

Brown and Williams are sent to Papua New Guinea to retrieve an aircraft's black box. Back on base, Mack discovers that Crystal may be talking to a reporter about the Unit.

The team must work with a SWAT unit to rescue the students of an elite international private school in the Washington suburbs who have been taken hostage by unknown captors. On base, Lissy becomes interested in the son of an Officer.