The poisonous dispute pushing King Charles and Parliament towards Civil War is reaching the point of no return.Law and order in the city are collapsing as Puritan radicals demand more concessions from the King. Bishops and lords are attacked in the streets as the Apprentice Boys run amok. Criminal gangs use the disorder to mask their activities while the people of London lock their doors and pray for deliverance.No one is immune from the contagion. Two Jesuit priests are discovered in hiding and brutally executed - and soon the family of spice merchant Thomas Tallant is drawn into the spiral of violence. Tallant's home is ransacked, his warehouse raided and his sister seized by kidnappers.Thomas struggles to discover who is responsible, aided by the enigmatic Elizabeth Seymour, a devotee of science, math and tobacco in equal measure. Together they enter a murky world of court politics, street violence, secret codes and poisoned letters, and confront a vicious gang leader who will stop at nothing to satisfy his greed.Can Elizabeth use her skills to unpick the mass of contradictory evidence before the Tallants are ruined – both as a business and a family?