It's Christmas and Britain is in the grips of the worst winter on record. When a precious jewel is stolen from a snowbound train, Sister Boniface and company uncover murder, ancient curses, and dark family secrets.
A murder among an eccentric group of doll makers causes a panic when it appears the dolls themselves may be guilty; Felix's fiancee from Bermuda is confused by his new life.
Sister Boniface unravels a mystery after a TV talent show for choristers visits her convent, and the competition takes a sinister turn involving a deadly incident.
As wedding day looms, Sister Boniface races to unmask a murderer amidst the celebrations before Felix ties the knot. A gripping whodunit set against impending nuptials.