: Derek Keyes kidnaps Halstead and demands the unit's confidential informant (C.I.) files in exchange for his release.
Officer Sean Roman voices his concerns to Kim Burgess about her engagement to Adam Ruzek. [S3E1] Life Is Fluid
: Olinsky confides in Sergeant Trudy Platt that he has a newly discovered daughter, Michelle, who is in juvenile detention. Subplots : : Derek Keyes kidnaps Halstead and demands the
" Life Is Fluid " is the season three premiere of the police procedural drama Chicago P.D. , which originally aired on September 30, 2015. Subplots : " Life Is Fluid " is
Lindsay delivers fake files to Keyes, eventually leading to a violent confrontation where she stabs an attacker and shoots Keyes to rescue Halstead. Although she saves him, Voight sets strict conditions for her official return to the Intelligence Unit. Chicago PD Season 3 Episode 1 Review: Life Is Fluid
: Following her resignation and a three-week downward spiral involving heavy partying with her mother, Bunny, Erin Lindsay is called back into action by Alvin Olinsky to help save Halstead.