The Safe is Empty

After having the meal, Savannah Lea went to the master bedroom on the second floor and packed up some clothes for Walden George in the hospital. When she came out of the master bedroom with her bag, she inadvertently glanced at the study and found that the door was half-closed. For some unknown reason, Savannah frowned and walked into the study. The study looked the same as usual, but Savannah's intuition told her that there was something wrong. As Savannah thought of Hilda Kent's abnormality, her heart beat faster and she had a bad feeling! The bad feeling made her turn to the desk. She squatted and opened the cabinet at the lower right side of the desk, where Walden's safe was inside. The safe was locked. After Walden fell yesterday, they went to the hospital together. Now the safe was locked, which meant that Hilda had come back! "Oh no!" Savannah felt a growing sense of foreboding. She urgently needed to open the safe and take a look. But what was the password? Walden was in a coma