in paris, paul contacts an old teacher of his, father antoine (thomas mitchell), who agrees to hide the reunited men in the sewers underneath his cathedral. "baby" (alan ladd) has been shot in the shoulder along the way. when he slumps over in the church, it attracts the attention of a gestapo agent (alexander granach). paul manages to distract him, allowing baby to slip away, but then the german starts following paul. paul tries to hide in a café, where he is served by joan (michèle morgan), but the agent finds him. in his haste to get away, the airman tears the sleeve of joan's dress. he then enters the first unlocked room he finds in a nearby building. by chance, it is joan's. she discovers him hiding in her closet when she goes to change. to allay her fears, he tells her that father antoine sent him to give her enough money to buy a new dress. he persuades her to deliver a message to father antoine, describing his predicament. as they begin working together, they fall in love.