A young man relocates to Paris, France, where he discovers that the crown is being threatened by an evil cardinal and joins forces with three noble musketeers.
A knight dies after a jousting tournament and his squire takes his place, winning a string of tournaments and contending for the heart of a noblewoman.
When Jack's liquor license is revoked by a reverend who held concerns about the old restaurant, Jack holds a Sunday brunch to prove his respectability.
Jack goes on a date with one of Janet's old high school friends, but things soon become complicated when she confesses to him that she is actually married.
Jack attempts to record a conversation with a crooked building inspector seeking a bribe, but police officers mistakenly believe that Mr. Furley is the target.
Larry entrusts Jack with the safety of his teenage sister while she is in town, but problems arise when the pair disappears from the apartment in the night.
The girls bet Jack that he can't go a week without being with a woman, but he makes a mistake when he decides to join Mr. Furley for ladies night at the bar.
The girls invent a fake contest for Jack to "win," thinking that he needs rent money; however, they are upset when he doesn't spend it like they had planned.
Charlie plans a romantic date for Mia, hoping to consummate their relationship; Alan takes full advantage of an opportunity when sultry Kandi shows up.
Charlie and Mia's lifestyles clash when Charlie is forced to conceal his drinking and smoking from her as she attempts to makeover his unhealthy habits.
Alan is elated to be dating a 22-year-old babe, but he doesn't want her attending Jake's birthday party; Jake mistakes Alan's "performance" pills for vitamins.
Charlie is annoyed to find that Kandi has been living in his house for some time without him knowing, but is even more distraught by his own sexual dry spell.
Walden is given an invitation to the grand opening of his ex-girlfriend's boutique, while Gretchen decides that she would like to spend more time at Alan's.
Jack is upset when his girlfriend tells him that she wants to have his baby but does not want to marry him, and Terri and Janet encourage him to do it.
Larry and Jack invite the girls for a weekend getaway to find out which one wants to have an affair with Jack after they find a completed magazine quiz.