While Xavier's plan to take a holiday in Europe so Vic can have her baby incognito works well enough, complications during the birth almost takes both mother and child.
Dr. Connors performs his first cesarean ever. While successful, it takes Vic months to recover. A prisoner to the bed, she spends her time encouraging marriage between two of their employees.
Unfortunately, Xavier's original negotiations with Tubs prevents the giant from acting upon his heart. While Xavier chases ladies enjoying the sun, Vic convinces Tubs to resign his service.
When Xavier and Vic return to England, the head of Scotland Yard awaits them at the dock. A great change in Parliament has occurred due to the fallout of their last investigation. England is crumbling beneath an outbreak of crimes and their help is desperately needed before lives are ruined and jobs are lost.