The Flash "Last Temptation of Barry Allen Pt 2" info, possibly spoilerly since it's a part 2 and also the Crisis Lead In Ep

"With The Flash (Grant Gustin) freshly infected by the monstrous Bloodwork (guest star Sendhil Ramamurthy), Iris (Candice Patton) and Cisco (Carlos Valdes) battle to help Barry take control of himself before he’s lost forever to Ramsey’s influence. Meanwhile, the rest of Team Flash fight to reclaim control of Central City from Bloodwork’s growing army."