The Regent's Revenge Bride

In a dream, Vivian Sinclair relives the tragedy of her past life: her sister, Eleonora Sinclair, was killed in her wedding dress by the Regent, Jett Shaw, and the entire Sinclair family was massacred. She awakens to find she has been reborn, just before her sister's wedding. To avenge her sister and the Sinclair family, Vivian Sinclair, using her self-taught knowledge of pharmacology, prepares to act with drugs. As she secretly poisons her sister's tea, she is discovered by Eleonora Sinclair.