Stan is searching for answers about how a person who he’s always known to be one thing could suddenly identify with another. In the meantime, the pressure of holding on to a giant secret is starting to get to Randy.
The episode begins at the bus stop, where the boys are waiting for the bus. Cartman is thinking about his newest plan, which he will go through with at recess, depending on what happens.
At recess, Cartman enters the boys' bathroom. Butters is using the bathroom and tells Cartman, with joy that he's not suspended anymore. Cartman ignores him, however, when finding the stalls to all be taken, he goes through with his plan. He places a bow upon his head and goes into the girls' bathroom, much to dismay of Wendy, Bebe, and Red, saying that he is "transginger" of course meaning transgender.
Principal Victoria attempts to punish him but to no avail, as Cartman knows he cannot be made to use the bathroom with cisgenders.
Principal Victoria and Mr. Mackey go to Mr. Garrison for help. Mr. Garrison explains that Cartman has got them in a "royal flush" because if they refuse to meet his demands then the media will be all over them.
At South Park Elementary, Cartman has made the girls' bathroom smell awful and because of this, Principal Victoria gives Cartman his own bathroom in the Janitor's Closet but Wendy doesn't find it fair.
In his garage, Randy contacts his record executive and attempts to quit but the record executive persuades him not to. The record executive reveals to a man named Ron that Lorde is Randy and asks him to do something to anyone who gets close to finding out.
At the Marsh Residence, Randy is trying to write new songs when Sharon almost catches him.
At the school, Cartman's bathroom is now completed and Cartman takes great joy in using it.
At the school, Wendy is now transgender and refers to herself as Wendyl to Cartman's chagrin. Cartman goes straight to Stan and starts calling him a girl and a homosexual for having a girlfriend who likes girls. This confuses Stan.
That night, at the Marsh Residence, Stan goes to Randy for help but Randy mistakes him for asking if he is Lorde and confesses. He did it because he likes to be in the girls' bathroom. He shows the process of how he makes his songs to a disbelieving Stan.
The next day, Stan uses the transgenders' bathroom making Cartman mad.
At the United States Geology Survey, Randy, as Lorde, is given his own bathroom which, in turn, depresses him.
At the school, everyone calls out Stan as a cissy.
Meanwhile, Sharon, almost as if she knew, gives Randy the speech he needs to get back to making music.
The song he releases emotionally effects everyone.
Lorde's boss decides not to give Lorde her own bathroom and the SPIN reporter decides not to the tell-all article about Lorde.
South Park Elementary decides to let anyone use any bathroom except for cissys. Stan, who was outed as a cissy must use it. While using it, he starts to sing his own version of Randy's song.