In the morning, she refuses to believe his story. Unknown to him, the innkeeper's wife has replaced the exterior knob, so when he tells Catherine to see for herself how the door will not open, it does. Eventually, the innkeeper's wife comes to the room, forcing Henri to hide on the ledge outside the window.
In the morning, she is hesitant to accept his story. Unbeknownst to him, the innkeeper's wife has secretly modified the door's mechanism, so when he instructs Catherine to check for herself how the door won't open, it does. Eventually, the innkeeper's wife appears at the room, prompting Henri to hide on the ledge outside the window.