Open Heart is a TV show about a teenage girl who becomes a rebellious delinquent after her older sister mysteriously disappears. She is sent to live with her grandfather, who works at a hospital in Canada, and becomes an intern there. She discovers a secret about the hospital and gets involved in a dangerous adventure.

An ex-cop turned private eye, Marissa Wong, ends up being forced to work with Sarah Winchester, an inexperienced young woman fresh out of university. Each episode, the unlikely duo to solve their client’s cases, which often end up being far more dangerous than they first appear.