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.

As Brian O'Hara tries to put his secret feelings for Marjorie aside, Adam and Dave Greco encourage him to live the ultimate single man's dream by hooking up with two different women in 24 hours. Meanwhile, Marjorie experiences mixed feelings when she sees Brian moving on.

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.

It's Saturday and everyone wants something from Brian, but no one can find him. Brian has decided to spend the day with his new love, Lisa B. Meanwhile, Nicole, hopped up on her fertility hormone treatments, needs her brother to help her and Angelo with a car problem.

In the season finale, Brian's new girlfriend brings out Marjorie's jealous streak, Dave embarks on a stakeout to follow Deena, and Nicole hides from Angelo that she's on fertility treatments.

Brian returns home six months after leaving town; Dave and Deena suffer the fallout of experimenting with an open marriage.