What is Hanks escape plan?

Hank spots a wire stretching between two rooftops and plans to somehow get to the telephone or telegraph office that must be waiting there. Their owner offers to sell both Arthur and Hank for twenty-two dollars. The buy asks for a day to consider, and Hank plans to make his move. He intends to pick his lock using a pin he has stolen from the buyer's cloak, free the king, and beat the master when he comes to check on the slaves while they sleep. When they hear the master approaching, however, Hank has only managed to get himself free. Arthur urges him to leave and fetch the master back.