David's romantic plans for Karen's birthday go awry, while Sam and Judy's marriage counselors give them a new "empathy" drug to tap into their romantic feelings, and Misty sets Wheeler up on the world's worst blind date.

A mysterious Japanese liquor gives David and Sam an intimate glimpse into each other's lives.

Wheeler weighs an unusual proposition from his Columbia lit professor. Despite warnings from his ex-wife Judy, Sam decides to go into business with Terry. Getty recruits David to help save his beloved Red Oaks.