As an emergency room doctor, Seraphina receives a call during a brief break between surgeries. Her husband, Zachary, claims that his flight has been canceled. She is unaware that he is actually with her sister-in-law, Maris. When Zachary is rushed to the hospital unconscious after taking expired medication, the truth devastates her. Upon discovering that her miscarriage was deliberately caused, Seraphina reveals their scandal at the wedding of Maris and Zachary’s brother, Zane.
My Sister-in-Law is My Husband's Lover is an English short drama in 35 episodes, originally released on Stardust in February 2026. Each episode runs about 2 minutes, and the whole series takes around 59 minutes to watch. It falls under Doctor & Medical, Marriage & Wedding, Romance and Family Drama. Viewers on Stardust rate it 9.2 out of 10. Every episode is free to watch on DramaDog, with no app or sign-up.
