When Kay Lockwood is left a small inheritance by her mother's old friend, actress Lana Fontaine, she travels to London, leaving behind her Northern hometown and the boyfriend she doesn't quite trust. She falls in love with Lana's ramshackle house, and the excitement of post-war London, but soon discovers a deeper mystery - who was Lana, and why was Kay so important to her? As she unravels the past, her handsome new neighbour Tom seems to offer her a bright future, but when his own dark secret is revealed, Kay feels hurt and betrayed. Can she ever forgive him?