Ralph Whelan and the rest of the Indian Civil Service begin the annual move to Simla, where the doyenne of British society Cynthia Coffin prepares the exclusive white British Club for the summer season.

Sarah becomes suspicious of Alice's past and begins some detective work to uncover the real reasons behind her move to India.

It's the Sipi Fair in Simla, the only time in the year that the Indian community are allowed onto the grounds of the British Club.

There's much excitement in Simla as the Viceroy arrives. Ralph is troubled when he discovers that the only evidence that linked Chandru Mohan to the Congress Party is missing.

Ralph tries to take advantage of divisions among the Indian communities. Cynthia is shocked by Eugene's revelation about his finances. Sarah places Alice in a very difficult position.

The pressure continues to mount on Ralph as Jaya reveals the real reason for her visit to Simla. A mountaineer saves Alice, Madeleine and Ronnie from a perilous situation.