larry was at the museum because he had to do a paperwork. when he went outside from the museum he saw police cars and a large crowd' his father was a detective so he knew that the crowd bothers the policemen and went home. at dinner, his father told him that there were a murder and the dead man last words were "try Sarah tops". each family member tried to guess what Sarah tops is and at the end Larry came up with an idea and he and his father went to the museum.