Return to Me (2000)

Dragged out on a blind date a year after his wife's tragic death, grieving architect Bob Rueland finds an unexpected spark not with his date, but with Grace, the sharp-witted waitress at a lively Irish-Italian restaurant. Unbeknownst to Bob, Grace is the recipient of his late wife's donated heart. As they grow closer, their romance offers the promise of healing and the weight of a secret that could tear them apart.