They're captured by gorillas and taken to Gorilla City, where Barry is tasked with fighting Solovar. Grodd tells them that if he kills Solovar, Grodd will let them go. He also lies and says that Solovar wants to attack Central City on Earth 1, when that's actually Grodd's plan. Maybe I'm forgetting something from last season, but I wasn't aware that all of the gorillas in Gorilla City had psychic mind-control powers. All told, a fun return to Gorilla City with an impressive fight scene.

Source: Forbes February 22, 2017 18:11 UTC