S01E01 Sixteen Candles
A woman falls asleep after drinking and dies from smoke inhalation. She gets a second chance to change her life of alcohol, help her marriage and become closer to her son.
Tory, a former tennis player, is bitter since a car crashed ended her career, her relationship and - she thinks - her life. But just before the wedding of her niece, she dies for real. And Othniel doesn't buy her story about the accident ruining her life, so he sends her back to try to convince her younger self to accept the love from her boyfriend instead of sending him away.
Prematurely deceased people are given the opportunity to correct something that went wrong in their lives and thus change them for the better.