On an icy January morning in Connecticut, a murdered woman is found dumped in the snow. Police fear she is the victim of a serial predator. When the case goes cold, an intrepid reporter makes a daring move to help stop a killer in his tracks.
Megan scrambles to make sense of all of challenges that JT has tasked her with. A promising interview leads to a potential new team member and JT and Wendy receive a worrying phone call.
John returns to Milwaukee a person of interest in Agathe's investigation, while his already fragile mental state worsens. At McMillan, Stephen's recovery and a sudden promotion further jeopardize the mission.
After being dosed with poison, Red must retrace his steps to discover which of his closest allies has betrayed him, while the task force races against the clock to find an antidote that will save him.
Sean is horrified to discover Dylan's secret plan threatens to derail their 'lads holiday' to China, but things start to look up when they meet two American girls, Ashley and May.
Saint Marie's mayoral elections are thrown into disarray when a candidate is stabbed.
Agathe's case against John begins to mount while John undertakes a desperate attempt to get his father's plan back on track. Meanwhile, Leslie's hostility toward John reaches new heights.
John returns to Luxembourg where his dedication to his father is put to the test, just as Agathe gathers final evidence that may allow her to learn the truth about John.
Kim is planning a hair opera! Leah is put in the director's chair. Disaster strikes when business & family collide. A desperate Kim hires back Gocha!
With the situation mounting in Iran, getting back to Luxembourg looks grim as John struggles to adjust to life and work in Milwaukee, while a driven homicide detective begins to build her case.
Titanium Rex tries to persuade an old friend into joining the League in hopes of restoring their tarnished reputation. Meanwhile, Black Saturn introduces Jewbot to fraternity life; and the rest of the League experience college for themselves.
A routine trip to New York turns perilous when ex-operative Tom Keen is recruited by a mercenary chief to help rescue a kidnapped CIA agent.
Agathe interrogates John just as Edward struggles to establish his brother's alibi. A surprise visitor joins the McMillan duck hunt in a last minute appeal to Leslie to allow John back on the travel team.
Agathe, headed back to Milwaukee to investigate John, crosses paths with Alice. Tom receives critical new intelligence that may give him the upper hand in his plan to influence the Iranian election.
Officers Roni and Cooper engage in a foot chase following a stabbing at a nightclub; Fire Rescue's Doug and Stokes try to save the life of a man shot in the throat; the hunt for a carjacker leads Will and Dimitri to the roof of an apartment complex.
The children grow tired of their family van falling apart, so they decide to try to trick Dad into buying a cool, new van.
Star surprises Marco with tickets to a Love Sentence concert, but also invites Jackie.
After a rocky start, Chase tries to redeem himself and get back into dad's good graces. Daniel sets a catch quota for his family to hit to stay on track. Jay Paul and Tommy jump a levee to tap new territory. Will breaks down alone in the heat of the blazing sun.