Q:Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: How does Karen kill Doob? Title: Eye for an Eye Movie plot: Veteran police detective Baek Seong-chan is on the verge of retiring to set up his own business. But he is forced to put his plans on hold when 1.8 billion is stolen from a bank truck, and then 600kg of gold from an airport, with the thief having impersonated Baek. The following day he receives a package of the stolen money from the thief, who identifies himself as Ahn Hyeon-min. Baek pursues Ahn, only to discover that he is being used as a pawn in a greater scheme of revenge.
A:
Can't answer