Bella lives in the English countryside and dreams of a successful career and a comfortable life. When her grandmother Margaret, a famous artist, dies, Bella, to everyone's amazement, becomes the heir to a luxurious apartment in central London, the existence of which no one had previously known. It turned out that the apartment, filled with antique furniture and art, had been locked up since 1937, when the grandmother suddenly and hastily moved out, leaving all her valuables in the apartment. And although all these years she regularly paid huge utility bills, she never returned there. What made the grandmother leave the luxurious apartment and keep its existence a secret? What secrets does Bella keep? And finally, where did Mr. Fox disappear to?