A mom shoots a child molster and kate is almost shot. sparks begin To fly between Jack and Jinny.
C.D. gets a visit from her mom and deal with her past.
CD and Nate find out if a woman was raped by her best friend's boy Friend; Kate wonders if her relationship with Louis will continue.
CD & Raina look into why a college student was killed and why her life was on the web. Jinny & Jack try to get away. CD & Nate look at themselves in Amy's room on a website. One college student drops by the station and yells at a girl who put cameras in the dorm.
To begin the episode real woman what they feel like after being raped. Dr. Anne Polton tells Kate that one of her students was raped and asks that police ask for the help of deaf people because they notice more details that hearing people may miss.
Nate reunites with a former partner, Raina works on the case of a 7-year-old girl who was killed by a driver but the case may be hard to solve.
A wealthy woman thinks her husband could be stalking her. One problem: the husband is dead.
Kate finds herself in hot water after her friend tells her that she somkes Marijuana.
CD & Nate look into the case of a woman who may have left her baby daughter behind. Will Jinny leave AA for good?
Jinny won't let anyone help her stop drinking, The case of a dead lawyer has cops trying to figure out how he died.
Jack tries to get Jinny to stop her addiction to pills.
Kate is up for Chief Of Police again, Will an image change help Kate keep her job?
Mr. & Mrs. Campbell are looking for Julia. Mr. Campbell thinks the case to find his daughter is going to slow. Kate wonders if a break will come, Nate & CD are shocked to see Julia alive. Julia helped get another girl kidnapped. Magda tells Jinny she is not happy with her marriage.
Jinny learns her brother a cop died. Also CD & Nate look into the case of a psychiatrist who may have raped a patient with MPD (Multiple Personality Disorder) The psychiatrist says ""Liz"" is highly charged but says he didn't rape Christine.
Jinny is finally ready to quit her addiction to pills, but without help. She finds out that is going to be hard to do. Jack & Magda each stay by her bedside telling her what will happen as her body craves the drugs. Jinny is about to go for what she thinks will be an easy ride.
The team learns that a a high school senior Kyle died due to a blow to the head and was killed somewhere else. Kyle's mom and sister identify the body. CD and Raina find Kyle's blood by the school while looking for his bike thinking he went home after his workout.
A woman running a homeless shelter is holding protest and will need to move it because police think the owner could be hiding a murderer but she says she didn't kill the person. The witness says he saw a black man run away. Raina tells Kate she has a half brother and is excited about meeting her mom.
Kate gets close to being named Police Chief and asks everyone to not say anything. The team tries to find stolen evidence that was to be used in trial. They wonder if Evan took the evidence & Kate looks at EKG charts but doesn't see the red line.
Kate is in the hospital & can't feel her arm she doesn't want anyone to know she is ill in hopes of being Chief Of Police. Kate wonders if being Chief of Police is possible. Magda starts to hope Jinny will get help, CD & Nate want answers as to why Mia (the lady online) who may have fallen in love with Thomas Clark.
Jinny & Raina into the deaths of two lovers, the parents of the kids now deal with the news. Magda must decide how handle her relationship with Jonah before Gabe comes back. The crime goes from suicide to murder suicide. Mrs. Johnson is told her son Rob, may have shot Tara because someone tried to get away.
Jinny learns that Jack will move, the team watches a crime about to happen. Kate begins her recovery. Magda tells Jonah she might be having a baby, Jonah isn't ready for kids.
Jinny vows to avenge her brother's murder. Kate pays a visit to The Division and has mixed feelings about a new boss taking over. CD tells Nate her fears of almost losing him after he nearly got shot. CD & Nate go to a bar to meet a suspect but end up in a shootout. Raina thinks about dating Johnny. Magda ends her affair with Jonah. Jinny into Ray the man who killed her brother. Kate thinks about leaving her job until she finds out that the new boss is planning to fire Jinny. In a season-ending cliffhanger, one of The Division is shot.