Generate a question that has the following answer: Elena for the following movie plot: The story opens in Paris at a masquerade ball where the unhappy Elena (Garbo) meets Manuel Robledo (Antonio Moreno), an Argentine engineer. After removing their masks, they spend the night together in a park and they fall in love under the stars. They declare their love for one another, with Manuel giving her a ring, before departing. The next day when he goes to visit his friend, Marques De Torre Bianca (Armand Kaliz), Manuel is stunned to learn that his wife happens to be Elena. He is disillusioned and upset. Wanting nothing more to do with her, he leaves. Still from The Temptress Greta Garbo, Armand Kaliz, and Antonio Moreno The Temptress At a dinner party, Fontenoy (Marc MacDermott), a middle-aged banker permitted by Bianca to have Elena be his mistress in order for them to be financially secure, distracts the guests by making a startling speech around the table on how Elena, the temptress, has ruined his life and blames her for his financial ruin. As he drains his glass he collapses at the table after taking his drink that was evidently filled with poison. Back at their home, the Marquis, who had encouraged his wife's affair with Fontenoy, informs Elena that he too is overwhelmed with debt. Distraught over the incident and the departure of Robledo back, she empties her jewel box, giving all that she received from Fontenoy to the Marquis. Robledo arrives to comfort his friend and tell him that he is returning to Argentina. As he is leaving, Elena tries to convince him that she really does love him, but he doesn't love her and departs quickly. When Robledo returns to Argentina, he receives a difficult reception from the whole town, especially associates Canterac (Lionel Barrymore) & Pirovani (Robert Anderson). We learn that these men have escaped their financial troubles and women back home by traveling to this remote country to spearhead the construction of a dam. Their efforts are being stalled by a local bandit, Manos Duras (Roy D'Arcy), and his men. The Marquis shows up to visit Robledo...
Who was unhappy?