The enigmatic Kathleen is a member of the British aristocracy, and is married to Richard Shaw, a war hero and prominent Conservative MP. After the Petrukhins lose sight of their young son at a high profile social gathering, it's Kathleen who finds Sasha and strikes up a conversation with his parents.
Months later, the two families reconnect and Kathleen invites the Petrukhins to her home for lunch with her husband — but it's clear that beneath their seemingly perfect marriage, the Shaws are hiding something.
