A Woman of Affairs (1928)

Childhood friends Diana (Greta Garbo), Neville (John Gilbert) and David (Johnny Mack Brown) are caught in a love triangle as adults. Diana and Neville have long been smitten with each other, but her father disapproves of the relationship, resulting in her eventual marriage to David. It's not long after their wedding, however, that tragedy strikes, sending Diana on a downward spiral. When Neville reappears in her life, will he be able to save her from her own misery?