The plot is almost Don't Tug on Superman's Cape, too! A brother and sister fighting it out to be the one to steal Superman's cape and have it in their collection.
KatherineKent/Victoria Lois: "You put up with me for the same reason I put up with you. It's because I'm completely in love with you." Clark: "And I love you ... Did we just make up?" Lois: "I think so."