Kara battles a rogue cyborg as she and Jimmy fight Lucy’s alien-opposing father on this week’s Supergirl.
Kara hears two drivers with road rage trying to run each other off the road. She slams them both to a stop before they hit a group of schoolchildren. One driver is upset and tries to hit her. She fights back, hurting him and scaring the kids.
Hank reprimands Kara for losing her temper. He doesn’t want the world to be afraid of her. Max talks to the news about Supergirl’s brutality.
Lucy tells James that her dad is in town and wants to have dinner. James tells Kara that Lucy’s father thinks Superman is a threat to national security. He doesn’t like James because he consorts with him.
Cat’s mother is in the office. She puts down Cat’s job and personal choices. Alex is waiting for Kara at the office too. She asks Winn to break into the DEO mainframe to find out what happened to her dad.
Hank calls Alex and Kara to DEO base camp to meet with Lucy and her father. General Lane wants Kara to test a combat device. It’s a cyborg nicknamed ‘Red Tornado.’ Kara agrees in order to prove that she and Superman can be trusted.
Cat’s mother cancels their dinner plans to dine with a famous author. Cat asks Kara to stay late. When Kara says she has a game night planned, Cat tells her to stop throwing herself at James.
Kara fights Red Tornado, taking out her stress and anger about her life. She doesn’t stand down when she is asked to. The cyborg goes into emergency self-preservation mode; cloaking itself and flying away. Lucy’s father blames Supergirl for unleashing the cyborg on the city. He wants the robot destroyed and fires its creator, Morrow.
Alex goes to Max with the cyborg’s arm to ask for help locating it. He refuses to help.
Lucy and James are out to dinner with General Lane. When Lucy leaves the table briefly, the General tells James he’s not good enough for Lucy.
Cat yells at Kara for making her wait. Kara snaps and screams back. Cat tells her they’re leaving. She brings Kara to a bar and lectures her about women losing their temper in the workplace. She tells Kara she needs to find the root of her anger and confront it.
As Lucy, James and the General leave the restaurant, Red Tornado shows up. It tries to attack General Lane, but Supergirl shows up to stop it. The android sends a tornado down the street and flies away. Supergirl calms the tornado before it can do any damage.
Lucy thanks Supergirl for saving them, but her father just yells at her for letting it get away. Hank accuses General Lane of creating the cyborg to combat Kryptonians and says he owes Supergirl a thank you. Lucy and her father leave.
Max calls Alex. He mentions his parents and she tells him her father died on the job. Max tells her the cyborg isn’t working on its own. There’s someone controlling it.
Jimmy and Kara decide to work out their aggression with punching bags. James uses a bag; Kara uses a car. As they punch, they list the things that are making them angry. Kara realizes she’s upset that she’ll never have a normal life with a man who can know everything about her.
Alex realizes that Morrow is still controlling the android. She wants to attract the machine to them and track its signal back to Morrow. Kara’s job is to keep the cyborg occupied while Alex fights Morrow.
Red Tornado tries to attack Lucy’s father, but it’s a holographic diversion. Supergirl shoots the android to get its attention. Alex finds Morrow who tells her the only way to stop Red Tornado is to kill its creator. As Alex fights Morrow, the cyborg mirrors his moves against Kara. Eventually, Alex shoots Morrow and Red Tornado collapses. The android comes back and Alex tells Kara it’s become sentient. Kara takes out her rage shooting the android with her heat vision until it explodes. She crumples in exhaustion, but tells Hank she’s okay.
Lucy tells her father that she’s not working for him anymore. She’s resigning and staying with James. The General tells her someday she’ll realize it’s a terrible mistake.
Winn tells Kara and Alex that he found an incomplete file about their father’s death. Dr. Danvers and another agent confronted a hostile alien and disappeared. They were presumed dead, but a month later the other agent showed up with amnesia, without a scratch on him. It was Hank. It was also Hank who deleted the files. Alex is afraid he killed Dr. Danvers.
Cat’s mother calls Kara incompetent because she didn’t call for a car. Cat tells her mom that she can’t denigrate her assistant like she does Cat. She tells her that Kara is great at her job. Kara thanks Cat for making her feel normal. Cat drops her glass and Kara tries to clean it up. Kara cuts herself and is surprised to find herself bleeding.