“The storm is getting worse, just as Percy thought it would,” she said to herself, with a comfortable feeling of satisfaction at being safely indoors; “I’m glad nobody I know is going on the boat to-night.”

She went to the window, and stood looking out at the wild landscape of sea and rain. The pier was almost deserted, but the Baltimore night boat was evidently preparing to start on her journey. A few passengers, chiefly men, were going on board, but there was none of the usual crowd and bustle of departure, which Gretel had enjoyed watching on other evenings, for the windows of her room commanded a fine view of the pier, and all the arriving and departing steamers. She thought of what Higgins had said about ship-wrecks, and gave a little involuntary shiver.

Just then her attention was caught by something so astonishing that she uttered a little cry of dismay, and, regardless of wind and rain, hastily threw up the window, and leaned out. Along the pier, battling against the storm, came two resolute little figures; a small boy and a small girl. They had no umbrella, but were evidently dressed for rainy weather, and the boy was carrying a brown paper parcel under his arm.

“Jerry—Geraldine!” shrieked Gretel, leaning as far out of the window as she could, and shouting at the top of her voice; “where are you going? Come back; come right back this minute.”

But the noise of the wind drowned Gretel’s voice, and at that moment she saw her two little friends calmly cross the gang-plank, and disappear from view on board the Baltimore steamer.

So that was the secret; that was why the twins had sent her home! They had deliberately planned to run away, and take this trip on the boat. She remembered several mysterious hints, which had passed unheeded at the time. The twins had been planning an adventure. But they must be stopped; they must be brought back before the boat started. Gretel did not know just what time it was, but she knew that the boat left at five, and felt sure it could not be far from that hour. If it had been a clear night she would not have been so much frightened, knowing that Jerry and Geraldine were capable of taking care of themselves under most circumstances, but in this dreadful storm—oh, she must do something; she must stop them before it was too late.

Hastily snatching her waterproof from the wardrobe, Gretel opened the door, and, without even waiting to close the window, ran at full speed down the long corridor to the stairs. Most of the hotel guests were in their rooms at that hour, and the few people she met did not appear to pay much attention to the child, as she flew down-stairs, across the covered piazza, and out onto the pier. A gust of wind nearly took her off her feet, and the sudden dash of rain in her face took away her breath, but she pushed resolutely on. Had not Miss Heath said she always felt the twins were safe when she was with them? Surely, oh, surely, she would be able to persuade them to give up their adventure, and go back before the boat started.

It was so slippery crossing the gang-plank that Gretel almost fell, but a strong hand caught her, and a good-natured voice remarked—

“You’re in a mighty hurry, Missie; the boat don’t start for five minutes yet.”

“Five minutes!” panted Gretel; “oh, I must hurry.” And before the astonished steward could ask any questions, she had fled up the stairs to the saloon.