Due South - Series 2 - Mask

Police comedy-drama series about a straight-laced Canadian mountie and his pet wolf in Chicago. When two masks belonging to the French and Canadian governments are stolen from the museum prior to their exhibition, Fraser is convinced one of the thieves is his old friend, Eric. The other thief, caught red handed, refuses to talk in interrogation and then evades custody. It's now Fraser and Ray's job to track the thieves down and return the masks to their rightful owners.