When multiple children get sick from lead poisoning, Morgan Edge points the finger at Lena and blames her creation of the lead bomb she made to save National City from the Daxamites. While Lena knows she never intended any harm, she fears there may have been a flaw in her design, leaving her responsible. Kara teams up with Samantha to clear Lena's name, but it turns out to be harder than they thought. Meanwhile, Alex and Maggie make a crucial decision about the future of their relationship.
Did You Know?
It was Kevin Smith who suggested Chyler Leigh and Floriana Lima to film all of their scenes in one day. See more
I came to let you know that I'm not done. Not by a long shot. Until we know for sure, I will turn over every rock, and...
You are one of the strongest women I know. Why aren't you fighting?
Because I did it! Kara, I... I did it. You know, all I ever wanted to be was good. My whole life, I was a pariah; first because I was rich, and then because of my brother, so... and then then, finally, I did just... just one thing... one thing that was good, and now I'm the monster that poisons ...