This story is a sequel to Carina and Jon: Rule Never Changes

Jon has planned a three day weekend before the last week of Spring. It was going to be fun. It was going to be exciting. How well does it end? Well, it ends in pain. Lots and lots of condensed pain in Carina. But during a visit to the vet, Jon learns what's causing Carina so much pain. There's just one thing. It has to come out.