Chuck, Sarah, Casey and Morgan venture into the jungles of Southeast Asia when The Belgian attempts to unravel the secrets of the Intersect. Meanwhile, Captain Awesome and Ellie try to decipher a secret left behind by her father.

When an assignment brings him to a French vineyard, Chuck juggles tracking down a nanochip with trying to create the perfect romantic getaway for Sarah. Back at the Buy More, Lester comes to Big Mike for his own romantic problems.