Nick is hired by a chemist named Michael Garrett to retrieve a briefcase that was stolen from his lab, which was also burned down. Garrett suspects his girlfriend, Talia Bauer, of stealing it--and Amanda, after seeing a photograph of Bauer, recognizes her as an immortal who saved her from the guillotine during the French Revolution.

In flashback to 1867 Manchester, England, Amanda and Derrick Markham hold the son of a wealthy businessman for ransom. After the ransom is paid, Markham executes the hostage and forces Amanda to marry him. In present day, Markham is holding another person for ransom, but this time a team led by Bert Myers and Nick gets to Markham's hideout before the deal can be completed. Angry that he wasn't able to collect his money, Markham wants Myers dead. However, when Markham runs into Amanda while looking for Myers, he alters his plans to include revenge on the woman who betrayed him.