After a year of wedded bliss, Secundus makes a slight error, and presents Thorax with their child. Deciding to make the best of it, the two of them give parenting their best shot. They weren't expecting large parts of what would happen, but wouldn't trade it for anything. In this mis-matched family, all that really matters is that they love each-other, no matter what.
After all, it's not like they could send him back!