The Billionaire's Stolen Bride.

Nursing student Sophia saves billionaire heir Adrian in a car crash, only for her sister Veronica to steal her identity and marry him. Unable to conceive, Veronica and their drugged Sophia, who bears triplets as a surrogate. Trapped as a manor maid, Sophia endures abuse. After Veronica shoves old matriarch Constance down stairs and frames Sophia, she is locked in an attic and gives birth, with her babies seized by her mother. Adrian uncovers the truth, rescues her. The villains face justice. Sophia reclaims her children and builds genuine love with Adrian for a happy ending.