William concocts a daring plan to stage a mock trial to cure a deluded patient.

John's debts leave him in desperate need to make money - by fair means or quackery. And Robert looks to advance his reputation by securing the backing of a wealthy female patron, Lady Campbell. But it turns out she is interested in more than just the contents of Robert's kit bag.

Robert has a problematic patient – the Bishop of Lambeth needs his appendix removed or he will die. But he won't agree to pain relief or surgery.

For the first time since losing his wife, John falls in love.However, his whirlwind romance is thrown into jeopardy when his intended reveals she's promised to another man; the wealthy Lord Thornycroft.