A husband finishes packing a suitcase, and then says good-bye to his wife. As soon as he is gone, the wife has her maid help her to dress for a costume ball. Meanwhile, the husband meets a friend, and the two of them put on costumes and go to the same party. At the ball, the husband and wife meet without recognizing each other, then they dance together, and start a flirtation. Once they become suspicious of each other, they each make plans to trap the other.