Photo 1 Fact: Before ascending to the British throne as Edward VII, Prince Edward laid the cornerstone for the buildings of Parliament Hill in 1860.
Fiction: Karen Sutton braves the Hill's January cold for a clandestine meeting with a would-be informant. Afterward, she seeks the advice of Ian, her friend and Member of Parliament, in his office in the East Block, but Ian proves to have an agenda of his own.
Photo 2 Fact: Each winter, Canada's Rideau Canal forms the longest skating rink in the world.
Fiction: As the people around her enjoy the winter weather, Karen confesses her frustration with American Embassy Security Officer Christopher Trumbull to Ian. The troubling admission leads Ian to act on his private plans sooner than he'd bargained for.
Photo 3 Fact: Old traditions and new innovations meet in Ottawa. The National Gallery, a relative new kid on the block, mirrors the style of the city's Victorian-era structures.
Fiction: Still mourning the loss of her late husband, Karen admits Ottawa's blend of old and new has drawn her back to the city. "I can't forget the past," she says. "I can't imagine the future." But she's spoken too soon.
Photo 4 Fact: Due to its location in a river valley, Ottawa often experiences severe ice storms in late winter.
Fiction: The killer uses the wintry weather to his advantage as he targets his victims.
Photo 5 Fact: With an average winter temperature of -2F, Ottawa is said to be the coldest national capital in the world.
Fiction: Forming an awkward alliance, Karen and Trumbull comb Ottawa's frigid streets in search of the only witness who can identify the killer. Thanks to the killer's true identity, though, he's able to track their every move.
Photo 6 Fact: Every spring, Ottawa comes alive with thousands of tulip blooms, a gift of gratitude from the Dutch people for Canada's role in World War II.
Fiction: After surviving a clash with the killer and a slide down a snow-covered cliff, Karen receives flowers from Ian. His message is all too clear. He hopes she'll abandon her investigation and agree to change their friendship to something more. But can she do either?
Photo 7 Fact: Canada's National War Memorial honors those who have paid the ultimate price.
Fiction: The Memorial and its meaning sparks sadness in Karen, the widow of a US-soldier-turned-diplomat. Her feelings, however, don't go unnoticed.
Photo 8 Fact: Most summer mornings, visitors and citizens are welcome to watch the Changing the Guard ceremony in front of Parliament Hill's Peace Tower.
Fiction: Is the killer an American visitor to Ottawa? Or a Canadian citizen? Karen and Trumbull disagree on that subject, but one thing is sure. The killer will turn out to be the devil they know.