Frasier hopes to make up for lost time with Freddy, but a disagreement over where to put a small Red Sox souvenir quickly escalates into a battle of wills between father and son.

Freddy aims to show his father that he's not "just a firefighter," but rather part of a noble and fulfilling cause–then picks the worst possible day to invite Frasier to the firehouse.

Frasier discovers that Freddy has been seeing Lilith behind his back, setting up a battle between the two exes for their grown son's affection.

While Frasier attempts to convince the university's provost to grant him full professor status, David faces a horrific, life-shattering crisis which will take all of Freddy's help to get him through: his first-ever B.

Love is in the air - or so Frasier thinks! Determined to "give Cupid a win" on Valentine's Day, Frasier inadvertently becomes involved with both sides of a troubled relationship.