This is the 770th most frequent Czech word.
půjde
"Will go" or "he/she/it will go."
Here, 'půjde' functions as a future tense verb indicating a planned activity, in the second person singular (půjdeš).
Půjdeš s námi do kina?
Will you go with us to the cinema?
'Půjde' refers to the capability or success of an action, used in the third person singular future tense.
Uvidíme, jak to půjde.
We shall see how it will go.
In this case, 'půjde' suggests intent and a future action, indicating Marie's decision involving a personal choice about paths.