The Sarnia crew battles exhaustion and frustration on a wreck that refuses to stop fighting. A badly-timed breakdown puts Eric on edge. Sonny works to free a fleet of plows trapped on the highway. And Andrew's newly rebuilt team attempts a complicated move on a very tight ramp.
The final stages are set for Jazz to undergo the most significant procedure of her entire life, gender confirmation surgery her doctors provide the final details of this highly experimental and potentially complicated operation.
In Alaska, summer is spent preparing for what lies ahead; the Hailstones spend a night on the water; Sue Aikens battles river currents to source coal; Ricko DeWilde secures food with nets made by his late mother; Jessie Holmes gathers firewood.
Interstellar space is the space between the universe's stars and new discoveries reveal that it's not empty and unremarkable as previously thought, but filled with weird objects and strange phenomena that might hold the darkest secrets of our cosmos.
When the citizens of Lubbock, Texas witness a mysterious V-shaped craft in the night sky, Hynek and Quinn are brought in to investigate the mass sighting. Based on the Lubbock Lights case.
Murdoch's distressing childhood memories are evoked while investigating the death of an orphan under the care of the same Jesuit priest who taught him.
Magnum and Higgins are shocked when one of her former MI6 teammates shows up with a fresh gunshot wound and news that "the Viper," the assassin who killed Higgins' true love, has surfaced on Oahu. Also, while Magnum's busy helping Higgins track down the Viper, he asks Rick to take over a case, a task that Rick relishes until it goes sideways.
A revelation from Cyn's childhood rocks her relationship with Joe, Sidney Starr shows up for Nya Lee, Yandy digs into Infinity's past, and Rich Dollaz steps up as a father.
Amy and a wounded Brad continue on the run from Richards and attempt to seek refuge with an elusive, ex-military instructor of Brad's, while Lila tries to help from afar. Meanwhile, at Project NOAH, Dr. Lear reflects on the decisions that compelled him to involve Fanning in his research, and testing of the virus on Anthony Carter begins, as the epidemic in China spreads and the race for a cure intensifies.
Bull mounts the defense of New York City’s chief medical examiner, Julia Martin, when she is charged with tampering with evidence tied to the years-old case that made her career. As Bull worries that his client’s propensity for brutal honesty could affect her chances in court, he aims to fill the jury with individuals inclined to believe she made a mistake rather than conspired to tamper with forensic evidence.
When a medical device fails on a former Chastain employee, an investigation is opened up, which pits Dr. AJ Austin against Quovadis. As Mina and Bell work to get to the bottom of what went wrong, Devon distracts himself with another patient who's experiencing mysterious stomach pains. Meanwhile, Nic forms a bond with her new partner at the clinic and Conrad's relationship with the Barnett family and continues to grow.
Still on the run, Jennifer and Khalil succumb to their feelings for one another and begin planning their future together. Meanwhile, Jefferson approaches Henderson with a favor.
In the aftermath of the quarantine, the staff tries to return to their normal routines. Meanwhile, as Dr. Lim recovers from the virus, she and Dr. Melendez navigate their new personal and working relationship, while Dr. Murphy and Dr. Glassman visit Lea.
When Cal is discovered missing from his bedroom, Grace and Ben launch a desperate search which takes them to the remote mountains of upstate New York. A tantalizing trail of breadcrumbs leads them to a startling, game-changing discovery. Meanwhile, Michaela confronts the deceptive Autumn, and the shadowy Major finally makes an appearance.
Katie convinces Lisa to let her host a Girls' Night In party, but Billie Lee lashes out at Katie for not including her in the planning Brittany throws a tantrum Lala decides James is moving too fast Stassi creates her own personal holiday.
Rick heads east to test a rare 18th-century weapon; Corey takes a swing at a Mickey Mantle rookie card; military expert Alex brews something special for Rick's eyes only.
Jenny investigates a dismembered body that is found in Crother's Woods. Ross struggles with his dad's death.
Julie has no idea how to control her amazing new magical powers, and Mildred realises she's made a terrible mistake. She's terrified Julie's secret will be discovered and they'll both be thrown out of Cackles - but Julie's having way too much fun to give up her forbidden magic now.