As the NCIS Director returns from a controversial European junket, and Gibbs and his agents reluctantly prepare for Homeland Security polygraph tests, tightly woven secrets among the team unravel.
Marjorie returns to Los Angeles to help Dave and Deena treat their 1-year-old's hearing loss; Deena introduces Nicole to a capable and handsome nanny.
Of his close-knit group of friends, everyone else has paired off, while Brian has emerged as the last bachelor standing. At 34, regardless of his run of bad luck in matters of the heart, Brian O'Hara still holds out hope that one day he'll open the door and be blinded by love.
The newly-engaged Adam and Marjorie move in together, but pressures at work prevent Adam from helping with the move. When the movers cancel, Marjorie calls Brian and Dave to help with the move.
Brian returns home six months after leaving town; Dave and Deena suffer the fallout of experimenting with an open marriage.
