Caitlin would catch a few glimpse of Barry every now and then.Barry would almost catching Caitlin look at him.She would go back to Work.Barry said"hey cait what are you doing?"Caitlin looked up and replied "Oh,hey Barry I'm working on serum to turn metahumans to normal."Barry asked" how that going so far?She said"it's getting there".Charles and Dr.wells would come in.Dr.Wells asked"hey caitlin I need look at particles accelator.Caitlin froze up in fear.Barry said "you know what mr.Wells actually I need Caitlin help examine something at C.C.P.D. Then Dr.wells answer "Okay Barry."Caitlin and Barry went down there to identify the toxic gas .Barry said well it can intoxicate a host when get in their respiratory system*Caitlin said"Just like it did Joe and put some one out cold".But, we survived a lot of enemies we've come to far to give up on each other".Caitlin I not the best part of me I like being the flash".Barry said.Caitlin said"With or without your soeed your still you Barry."The next day,Barry and Caitlin was debating about a for."Why you defend him Caitlin?"Barry said.I know what it like have powers and be scared of them.people change Barry."she explain.he said "not this one".I change when I became killer frost."she said."That's because I knew there still some good in you".Barry said.She turn into killer frost amd locked her up.Few moments later,Dr.Wells "what is he doing".Dont worry he know what he doing.Charles replied.Her let her out."What's the catch?"killer asked.Barry said"you have to kill me?.Killer said"don't think I won't."Come on Caitlin I want to see you live up to your name I want to see some killing".Barry Said."You can't because underneath all that cold your still you".he added.She teared up amd hugged him b..Barry.He hugged back.Its okay.Now we need your help wally is alive but his body chemistry out of wack.Caitlin rushed over and run test and examine him.Barry asked"what wrong with him?"Well from my test he speedster like you maybe faster".Caitlin answer.