[Note: "Ice nine" was an imaginary weapon created by Kurt Vonnegut for his book, Cat's Cradle. JACK: It's Lauren, isn't it? Cut to Vaughn at the safehouse, monitoring via a computer with a satellite link. Kiera opens the door to a patient's room and they both stand in the doorway. Holding up the Ice-5 container with a gloved hand, he's speaking to Nadia and Weiss. Same as you. SYDNEY: But MacLaine's conflicted, has issues with her brother. In confession. VAUGHN: But he scares you? He can turn her.
Plan: A: a dark past; Q: What does Vaughn have in common with the priest he goes undercover as? A: Ice Five; Q: What is the name of the bioweapon that Vaughn and Sydney set out to intercept? A: the Ice Nine; Q: What is the Ice Five similar to in Kurt Vonnegut's novel Cat's Cradle? A: room temperature; Q: At what temperature does the Ice Five cause water in the body to crystallize? A: Lauren's death; Q: What does Vaughn feel guilty about? A: a sympathetic enemy; Q: Who does Vaughn confess his feelings to? A: questions; Q: What does Nadia have for Jack about her mother? A: Irina Derevko; Q: Who is Nadia's mother? Summary: Vaughn goes undercover as a priest with a dark past. He and Sydney set out to intercept a bioweapon called Ice Five, similar to the Ice Nine in Kurt Vonnegut's novel Cat's Cradle (it causes the water in the body to crystallize instantly at room temperature). Vaughn still feels guilty over Lauren's death; he confesses his feelings with a sympathetic enemy and he bonds with her. Nadia has questions for Jack regarding her mother, Irina Derevko.