Herbert, a distant relative of Billy's, learns that a will has been made in his favor on condition that Billy does not marry Leah within a certain period. For fear that Billy will marry the girl, Herbert endeavors to keep the will a secret. However, he fails in this. Billy hastens to Leah and unfolds the proposition; they arrange to marry at a nearby place. Herbert manages to have Billy leave on the steamer without the girl. The pleasure seekers, because of Billy's frantic efforts to find Leah, imagine him a dangerous crank. Herbert is also aboard and enjoys his enemy's discomfiture. In the meantime, Leah is speeding down the river in a motor boat to locate her sweetheart. Fearing that Billy will find the girl, Herbert gets aboard the steamer alone and starts it in motion. Her movements are erratic and extraordinary and she revolves in circles, then rushes ahead in full speed. The Dutch pioneers are filled with consternation when they learn they are marooned on the island, Herbert, unable to control the steamer, is panic-stricken. The captain in a motor boat finally overtakes the steamer and hides in the engine room. The frantic German mob howl curses upon the plotter. Will, who has been left ashore, is found by Leah in the motor boat and together they hasten to the minister. The pioneers throw Herbert overboard and he swims to shore, a beaten man.