Answer
The character Jenna, played by Jenna Coleman, is a Canadian. In the series, she is a young woman who is traveling the world with her boyfriend, Olaf, when they meet up with a group of backpackers in Thailand. The group is led by Charles Sobhraj, a notorious serial killer. Jenna is eventually killed by Sobhraj, and her death is one of the events that leads to his capture and imprisonment.