Illusions

In her mandated therapy, Mare opens up about her family’s history with mental health struggles. Meanwhile, Lori tries to get to the bottom of her son’s outburst at school, and later, Mare meets with a semi-retired source to help find a possible connection to her three cases.

Poor Sisyphus

With Mare forced to take a backseat on the case, Colin presses a local priest about the vague circumstances that prompted his transfer to the parish. Meanwhile, an anonymous call gives Dawn hope that Katie might still be alive.

Enter Number Two

As Mare and Colin parse new physical evidence, phone records lead to an unlikely suspect. After lashing out at Helen about a possible custody fight over Drew, Mare receives some unprompted advice from Richard on how to move forward with Carrie. Later, Kenny and Mare face the consequences of their misguided attempts to protect their families.

Fathers

Mare visits a grisly murder scene before informing the victim’s enraged father. As a video from the night of the crime surfaces, Mare questions suspects in the case and gives an icy welcome to County Detective Colin Zabel, who’s been called in to assist. Later, Mare bumps heads with locals and airs concerns about her grandson Drew in light of her late son’s mental health struggles.

Miss Lady Hawk Herself

After answering a call about a neighborhood prowler, Detective Mare Sheehan shoulders her chief’s directive to revive an unsolved missing person’s case amid increased community pressure. Later, while her loved ones celebrate her ex-husband Frank’s engagement, Mare attends a celebration for her legendary high school basketball win and connects with Richard, a professor who’s new in town.

Lights Out

Amy takes charge of the Nine-Nine during a citywide blackout, while Jake hits one snag after another as he races to her side.

Ransom

Holt turns to Jake for help after a family member goes missing. Rosa battles Amy's ex for a coveted prize. Boyle and Terry team up on a business scheme.

Valloweaster

A pudgy pooch, handcuffs and various other disasters delay the crowning of the squad's newest Amazing Human/Genius in the annual Halloween Heist.

Admiral Peralta

Jake doubles down on his daddy issues during a tense family reunion. Holt turns into a musical taskmaster over Terry's audition with the NYPD band.