After losing her ex, Sienna marries his lookalike, Adam, as an emotional crutch. Three years later, she leaves to reclaim her life and career. Only then does the cold, calculating CEO realize he’s long been in love...
Links go to the platform's own page. Availability and free-episode counts were last checked 8/30/2026.
![[Dubbed]The Substitute Heart](https://img.shortdramawiki.com/img/c4/a1/c4a13b1f8474a7f63b7d4a4cb199041d87ed3d4010bc3a69284d9f6609c4a219.jpg)
