Picking up where A Poem for What's Her Name left off, Same Socks Marriage continues the journey of Dani O'Connor. Forced to accept the death of her twin sister, Doc must learn that her own existence is not based on her sister's identity. In order to get on with her life, Doc must find a way to let other people inside. Along the way, she reestablishes a close bond with her brother and befriends a young couple from college. As life's lessons meet Doc at every turn, she ultimately discovers that sharing her life and planning a future with the woman of her dreams is the most miraculous and magnificent voyage of all.