TV Talk

(MINI) On the run and out of options, Kwan and Soren have a difference of opinion. With the possibility of finding the mysterious Halo on everyone's minds, John makes a horrible discovery. Also, the war rears its ugly head.

Ronnie begs Caitlin to save him. At S.T.A.R. Labs, she recognizes each of the Black Flame victims and realizes it has been searching for her. Despite Barry's suspicions that the Black Flame is manipulating her, she and Chester devise a plan to rescue him. She also tells Marcus who then breaks up with her. Ronnie contacts Cecile and begs her to set him free. She feels his agony and proposes to Team Flash that they put him out of his misery. The Black Flame then goes to where Ronnie and Caitlin proposed to one another, and Flash tries to trap him in the fusion sphere. Caitlin and Frost arrive and destroy it, and Cailtin uses a quantum splicer on the Black Flame; Ronnie is freed and he faints. Meanwhile, Allegra worries that Chester's openly-sourced technology will fall into the wrong hands. In Coast City, Tinya angrily causes Iris to disappear. Sue goes back to Central City and tells Barry. That night, Ronnie awakens and reveals to Caitlin that he isn't the real Ronnie and transforms into Deathstorm.

(MINI) John takes Halsey and Cortana to look for answers from his past; Kwan searches for an army; John's behavior inspires another Spartan to begin a journey of self-discovery; Miranda discovers a possible link between the artifact and something larger.

Deon tells Barry and Iris that she is causing time to fracture around her. After Frost is attacked by the Black Flame, she and Carla Tannhauser enact a plan to amplify Frost's cryokinetic abilities to draw it out and trap it in a fusion sphere, but fail and Frost is injured. Caitlin is upset that Carla would use Frost as bait, but Carla reveals that she will soon develop cryokinetic abilities, and that the plan will work if she and Frost draw out the Black Flame together. However, the sphere's structural integrity is compromised and Carla goes into cardiac arrest, so Frost pulls her out and the Black Flame escapes. Team Flash comes together later to revamp the plan. In Coast City, Iris and Sue bring Tinya to an adoption agency to find her mother. The receptionist leaves and returns to find the entire room completely empty. Tinya finds her mother Renee and they talk, but Iris's eyes flash green and Renee vanishes in a green light. Meanwhile, the Black Flame appears to Caitlin and, instead of attacking her, speaks to her — using Ronnie Raymond's voice and words.

(MINI) John meets his new partner and discovers secrets inside his own memory; Kwan wants to return to Madrigal to continue her people's fight for independence, but Soren has other plans; Makee initiates her plan to retrieve the Madrigal object.

(MINI) John takes Kwan to an old friend and learns more about the mystery object, which the Covenant and Makee are determined to steal; with the alien threat growing, Dr. Halsey has a plan to deal with John's unpredictable behaviour.

(MINI) In the year 2552, humans on the planet Madrigal fight for independence from Earth, but a fatal encounter with the Alien Covenant complicates things; Master Chief John 117 and his super-soldier "Spartans" join the fight.

Deon visits Iris to treat her for her "time sickness", though he is unsure of what it is or how she contracted it. Barry and Chester discover another incinerated body and collect a mysterious black flame from it. Later, Chester has a nightmare of the flame breaking out of the container, however soon after, the black flame actually does escape, causing Chester to fear that the flame is the ghost of his father Quincy. It manifests as him and strikes again. Cecile realizes that the flame feeding off of Chester's grief. Chester rejects the entity and it disappears. Joe returns and states that the incinerated victims were dealing with grief, and the team deduces that the black flame is a sentient entity feeding off of grief in order to survive. Meanwhile, Iris and Sue Dearbon travel to Coast City to investigate the Coast City Phantom, who they identify as Tinya Wazzo. While searching for her, Iris opens up to Sue about her time sickness. They find Tinya at her missing adoptive mother's home. She has also been searching for her birth mother, who abandoned her, and Iris convinces her to come with her and Sue. That night, Deon visits Iris with bad news.

The recently-paroled Jaco Birch is arrested for the incineration of O'Shaugnessy's manager Stan Mullen who he was arguing with a night prior. He professes his innocence and his desire to be there for his son Harold. With there being no hard evidence against Jaco and with it being Henry Allen's birthday, Barry becomes determined to convince his team of Jaco's innocence. Flash and Frost find the bartender Donna Winters incinerated, however Chester discovers that the methods of burning do not match Jaco's abilities. Flash and Frost stop Jaco from kidnapping Harold from social services, and they work together to stop a lava channel from erupting. At CCC Media, Iris has Allegra interview social media influencer Rosie Levin with her constituent Taylor Downs, but Allegra shirks the interview to pursue a story involving ex-con Lydia Sanchez. Iris agrees to publish both stories and Allegra tries to apologize to Taylor, but she refuses to listen. That night, Jaco and Harold reunite while Joe's family celebrates Henry's birthday. Later, Team Flash focuses their efforts on finding the real killer.

Kramer is frustrated by how The Flash drops off criminals without context. Joe suggests that Kramer have a line to The Flash, but Barry is hesitant. That night, Goldface leads a gas attack on CCPD in search of bullets that can remove metahuman abilities, knocking out Barry and Kramer. They awaken with explosive meta-dampening cuffs, though Kramer's mimic abilities are able to short-circuit them. Despite her inability to control her powers, Barry inspires her to stall Goldface while he defeats his crew as The Flash. Later, Barry reveals his identity to her (though she had already deduced it) and agrees to train and communicate with her. Meanwhile, Caitlin and her date Marcus are interrupted by Frost and Mark. Caitlin angrily expresses her distrust for Mark, though Mark later helps her realize that she was afraid to commit to Marcus and instead focused on her hatred. Caitlin then later apologizes to Frost and Mark. Meanwhile, objects in Joe's house begin disappearing before Iris. She seemingly loses time, and her eyes flash green.