Flash is getting ready for a date with the newly discovered Linde Park, who works in the same editorial office as Iris.
Joe calls Barry with the information that the jumper is on the roof, Flash quickly rescues his life and returns to Linda, who thanks a kiss for a date.
Joe and Cisco are going to Barry's house, where Nora Allen's murder took place, a new owner lives in the house, who knows what happened 15 years ago.
Flash and Dr.
Wells and Caitlin must find Ronnie, who attacks the scientist, to get on the move they must find Dr.
Martin Stein, who was working on the project called FIRESTORM, it turns out that Barry knows Stein because he saw him on the train during the accelerator explosion .
Barry and Wells and Caitlin arrive at Clarissa Stein's house, from which they learn that she saw Ronnie.
Cisco finds silver nitrate behind the mirror, it turns out that this may be the key to solving the murder of Nora.
While Barry spends a nice time with Linda, she suddenly has to leave.
Flash is running to meet Professor Stein, who shoots fiery fires, and Caitlin and Dr.
Wells watch the whole situation from the car.
Cisco and Joe are watching the hologram of the death of Nora, it turns out that the new wallpaper is old blood from 15 years ago.
Caitlin brings Martin's wife, who is talking to him, explaining that she has another man in her who wants to return to Caitlin.
Ronnie and Martin in one person undergo a study in Star Labs, Caitlin is broken.
Meanwhile, Linda is calling Barry with the information that she knows she still loves Iris, the girl breaks up with him.
Barry manages to regain Linda, Iris watches everything and hides his jealousy.
It turns out that the tested blood sample by Cisco gave the result of an adult Barry.
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