The title refers to the code name of Foley's FBI agent Will Chase.
"Following an emotional break-up, Chase is assigned to work with badass CIA operative Francesca 'Frankie' Trowbridge (codename: 'Fiery Tribune,') played by Lauren Cohan," a message accompanying the clip on YouTube said.
"Together, they lead an inter-agency team of flawed, funny and heroic spies who periodically save the world (and each other) while navigating the rocky roads of friendship, romance and office politics."
Tuesday's 3-minute preview shows Chase and Trowbridge meeting for the first time in a bar and immediately becoming rivals as they work the same case.
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