Thinking that she will be living in another triangle, Libby called off the wedding but it was revealed that Lucas had called Sam and she had known that Dan was marrying Libby when she arrived.
She will be living in another triangle. This was what Libby was thinking. Libby called off the wedding. Lucas had called Sam. This was what it was revealed. Dan was marrying Libby when she arrived. This was what she had known.