midnight
He trod them underfoot , and they multiplied and danced in the triumph of summer like a thousand butterflies . The train had left when he got to the station . He followed on to London , and there he lost all traces . At midnight he began to realize that his wife could never belong to him again . Mr. Failing had a letter from Stockholm . It was never known what impulse sent them there . `` I am sorry about it all , but it was the only way . ''