Curvature

Helen tries to cope with the recent death of her husband, a scientist who killed himself right when he was on the verge of successfully completing the invention of a time machine. One day, she receives a phone call, and a voice suspiciously resembling her own voice warns her that she’s in danger. Is it possible Helen has time travelled? And what could have led her to do something like that?Curvature featuring Lyndsy Fonseca and Linda Hamilton is free on Popcornflix, streaming with subscription on Hoopla, available for rent or purchase on iTunes, and 5 others. It's an action & adventure and drama movie with a less than average IMDb audience rating of 4.8 (1,650 votes) and was met with mixed reviews by critics.