Richie and Potsie plan to double date to the big Rock N' Roll show that has come to town. First Ritchie has to get the money from his dad who isn't feeling well, and then find Fonzie to buy some tickets.
Once Ritchie gets the tickets he finds out that his dad needs him to work at the store because he need his tonsils out.
Richie then sells the tickets back to Fonzie.
Mrs. C. notice Richie is upset and he tells her that he won't be able to go to the concert, she tells him to close early and go.
He finally gets Fonzie to come by the store with more tickets. When Ritchie and Potsie get ready to leave the store they lock themselves inside.
Richie then accidentally breaks a window trying to get out through another opened window.
He then gives the tickets to Potsie and tells him to take the girls while he waits for the glass man to come.