While Alan is dealing with the school, Charlie agrees to manage Alan’s chiropractic office. Bored and uninterested in the actual work, Charlie hires a "masseuse" named Tanya, effectively turning the medical office into what Alan later describes as a "brothel". Title Meaning and the "Lesbian Lover"

The episode's narrative is driven by two parallel storylines:

Despite the provocative title, there is no actual character named "Principal Gallagher's lesbian lover" depicted in the episode as a romantic partner. The title refers to a misunderstanding and the episode's central farce:

While waiting to meet Principal Gallagher, Alan observes her with another woman. Misinterpreting their interaction and the principal's authoritative demeanor, the Harper brothers speculate about her personal life.