Courtenay John Dayre is drugged by a jealous spy on the night before his loveless marriage to Anthea. His twin, John Courtenay Dayre, reluctantly agrees to impersonate his brother at the wedding, only to discover a genuine affection for his accidental wife. Meanwhile, Courtenay begins to understand the price of things when he realises that his affair has allowed a valuable military secret to be stolen.

The luminous Maria Corda stars as the eponymous Tesha, a celebrated Russian dancer who marries an Englishman (Thomas). The couple long for a child but after five years of happy marriage, remain childless. On a trip to Southampton Tesha succumbs to a brief fling with a stranger (Cavanagh), unleashing a barrage of unforeseen consequences and emotional turmoil. The superb cinematography is by the great German cinematographer Werner Brandes who worked on dozens of prestige British productions in the 1920s. Originally shot silent, sound was added in 1929.