Dino Loddo

A beautiful medical student travels to London to investigate the mysterious murder of her identical twin sister. Taking on her sister's identity, she gets closer and closer to the killer who is determined to finish the job once and for all.

Debbie and Jo are identical twins. After Jo is killed in a car accident, Debbie starts to act increasingly like Jo. Mysterious circumstances lead Jo's widower Sam to suspect that the accident wasn't an accident at all.