An elderly man pieces together his childhood memories after finding his diary from 1900, which he wrote when he was 13 years old.

In late-1970s suburban London, Chris and Marion have settled into a comfortable yet all-too-predictable middle-class existence. Chris receives an unexpected visit from his free-spirited friend Toni, a reunion that reminds him of a more carefree time in 1960s Paris. Now, with lingering doubts about his marriage bubbling up, Chris must make the choice between revisiting his youthful abandon with Toni or facing the here and now with Marion.

Lucy is a young girl admitted to Great Ormond Street with a heart condition. Whilst there she makes a connection with JM Barrie's classic story of Peter Pan and is soon whisked away to her own Neverland