After losing his virginity to her, Monica's boyfriend Young Ethan reveals that he's a high school senior. Rachel has erotic dreams about Joey and Chandler, making Ross both disgusted and envious. And when Phoebe temps as Chandler's secretary, she finds out that no one at work likes him anymore.
In Mazatlán, Mexico, Mike, Bud's brother, becomes involved in a barroom fight with a local, who later dies. Harm and Bud, with help from Bud Sr., eventually discover the cause. Mac successfully defends a Marine bulldog in a paternity suit.