On Nadia's 36th birthday she is struck by a car and killed while leaving her party. In an instant she is alive again and transported back to her birthday party earlier that night. Moments later she dies again and finds herself, once again, back at her party, Nadia begins to question her sanity as she strives to unravel the mystery of her situation.
After two episodes I was hooked. I did get a bit scared at a point, but I'm a wuss. Really enjoyable all throughout. Doesn't really have anything to do with Groundhog day, apart from the timeloop thing. Reviewers who claim so haven't watched more than 1 episode and shouldn't be taken seriously.