Official Synopsis For 'Chicago PD' Season 4 Episode 15 "Favor, Affection, Malice Or Ill-Will"

NBC has released a synopsis for the next installment of "Chicago PD" entitled 'Favor, Affection, Malice or Ill-Will,' and scheduled to air Feb. 22.  The synopsis of the episode reveals that Olinsky (Elias Koteas) goes undercover as a hit-man for hire when Erin Lindsay (Sophia Bush) is informed about a grieving man who wants to avenge his daughter's death.

When there was no sufficient evidence available for the team to arrest the original gangbanger in question, they decided to reinvestigate the case. However, Ruzek (Patrick John Flueger) will return after completing his undercover assignment only to be knocked down to a patrol duty by Voight (Jason Beghe), Spoilers Daily reports.

In the previous episode, the team had to work to identify a charred body found in a torched house, along with a badly injured young boy found the same house. The team was faced with a web of secret and lies as they battle to determine who and what could have been involved in the said case. However, Spoliersguide reports that Lindsay and Halstead (Jesse Lee Soffer) received an odd warning about Rixton (Nick Wechsler) that leaves the duo suspicious of him.

Lindsay's life always gets messy when her mother Bunny (Markie Post) is involved in it. Bunny made her daughter to believing that Jimmy(Tony Crane) was locked up, but Lindsay comes in contact with her estranged father who revealed to her that he has been out ten years, and was married, which is the reason why she did not hear from him.

Although, "Chicago P.D." Season 4, episode 11 revealed that Jimmy is not Lindsay's father as a DNA test done by her boyfriend Detective Jay Halstead revealed the truth, the police drama revealed something amazing, Hank Voight (Jason Beghe)  and Bunny had a romantic relationship 30 years ago, which means, Voight could be Lindsay's father.

The episode will also cast Marina Squerciati, Jesse Lee Soffer, LaRoyce Hawkins and Amy Morton, with Carl Weathers, Yuri Sardarov and Nick Wechsler as guest stars. Chicago PD Season 4 Episode 15 will air on February 22 at 10|9c on NBC.