Trouble with Dad's Salary

Doraemon and Nobita try to find what happened to Dad's salary when it went missing. They travel to last night while Dad went on a happy hour with his boss and ask to safeguard his salary, but end up losing it after Dad finds out that the boys are loitering around in the night and being chased by a dog. It turns out that a policeman had the salary and returned it to Dad after all.