"I guess we’ll never let you go, Matt," he whispered, as though even the dead, lovers once, must conspire with him to keep her; and brushing by the graves, he thought: "We’ll always go on living here together, and some day she’ll lie there beside me."
There are no more uses of "conspire" in the book.
Show samples from other sources
They conspired to overthrow the government
The two companies conspired to cause the value of the stock to fall