Chuck discovers that several Russian arms dealers are secretly meeting in Los Angeles. One particular Russian woman catches his attention, and he flashes on her as being Casey's ex-girlfriend. Chuck grows intrigued and begins to pester Casey about his history with the woman. After learning she is to set marry one of the Russian arms dealers, Chuck insists that Casey fight for his woman. Will Casey go after his true love without compromising his identity? Meanwhile, Captain Awesome (recurring guest star RYAN McPARTLIN) and Ellie reach a tough point in their relationship. [Edit]

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