When Alice Salmon died last year, the ripples from her tragic drowning could be felt in the news, on the internet, and in the hearts of those closest to her. However, the man who knows her best is Professor Jeremy Cooke, an academic fixated on piecing together Alice's existence. Recreating Alice, through her diaries, text messages, and online presence, has become all-consuming. But how deep his search will take him? Everyone - including himself - has something to hide.