After her 7 year old daughter's murder. A woman joins a group of people that had something bad happen to them. so chose to kill themselves (via overdose of pills) togehter. As a result they all survive but she begins to realize each day she wakes up, its the previous day (not time loop. If its the 10th, she wakes up its the 9th, then 8th, etc) with full memories of the time before (after...very confusing). she sees the bright side of it as...her daughter will be alive again and she can kill her killer with no consequences. But time still moving backwards With only object unchanged is daughter's diary with still has the future dates and notes.
After daughter is killed. A woman discovers time is moving backwards day by day. So eventually becomes day before her daughter died. then after several years daughter isnt born yet to not concieved. So she tries to figure out why this is happening and reverse it so her daughter can be born again