Smile of the Tiger

It's winter and Christmas is approaching. Harry's friends, Rupert Barrington-Smythe and Lady Arabella Cosgrove-Hartley are getting married and a weekend long celebration is planned. But then Arabella disappears. Dark forces are at work. Harry and Dempsey have to find her, and to complicate matters, Harry has to keep her involvement in SI-10 a secret from her friends.