After another training drill, the alternate Supergirl collapses and releases a burst of purple energy while being revived.
The blast of purple energy hits the RV that houses, Jerry, his sister Bobbi, and his drug dealing buddy Kevin turning their supply purple.
Alex and the DEO respond to a disturbance at a Frat party caused by the two bros on the rage drug.
Kara is interviewing Maeve for her article about the town when she sees some Children of Liberty walking down the street with their alien-sniffing dog.
Jerry and Kevin are beat up by a group of Children of Liberty who steal their rage drug to attack the Parthas Harvest Festival and Bobbi watches before chasing them in the RV.