Sister Boniface Mysteries

A precious jewel is stolen from a snowbound train

A priceless but apparently 'hexed' jewel is stolen from a locked safe on a snowbound train in the coldest winter on record. With the train stuck in a snowdrift, the passengers wait for to be rescued. When one of the passengers is found stabbed to death, and a suspicious stowaway is discovered on the train, can the claims that there is a curse on the jewel be upheld? Lorna Watson stars