Supergirl S03E13, Lena is poisoned with cyanide in her coffee by an unknown hitman. James pursues the hitman, who is eventually shot down by an unseen sniper.

Kara fights an amazing metahuman burglar called Psi, who can bring out her casualties’ most profound feelings of dread, compelling Kara to battle with her recollections of Krypton’s demolition and her blame over Mon-El.

Samantha gets ready to go on a trip, leaving Alex to babysit Ruby. The DEO learns that a priestess with knowledge of Reign’s true mission is imprisoned in Fort Rozz

Two days after Kara’s defeat by Reign, the DEO and the Legion use the latter’s technology to heal Kara from her injuries. This saves her life but she remains in a coma.

Samantha wakes up at home with no memory of being in a Kryptonian fortress, but finds she is oddly tired. A mysterious Kryptonian symbol, unknown to Kara, appears throughout National City,

A Nazi regime rules the planet where an archer, Dark Arrow, is the Führer, and personally hunts the resistance forces. Dark Arrow seizes a temporal gateway from the Freedom Fighters members.

In Supergirl S03E06: Midvale, Back to Midvale High School, Alex & Kara have a mutual friend, she is murdered by her teacher, after effort on killing them failed, the teacher was arrested. But they also found out that someone who is drug dealer in accusing for killing their’s friend.