Team Flash confront a new bus meta, Matthew Kim aka Melting Point. He has the ability to swap people’s DNA, so during a battle with Team Flash, he transfers Barry’s super speed to Iris. Now, with a new threat unleashed on Central City, Barry must act... (more) as the team leader while Iris takes on the mantle of superhero speedster in order to defeat their new foe.

Hartley Sawyer, Leonardo Nam, Max Adler