Frequency

This is based on a pretty good film with Dennis Quaid as the father though now 1996 is the earlier period. The butterfly effect really shows here though it helps to get rid (for now) a tiresome boyfriend. Has potential if somewhat heavy-handed at times (well, it's the first episode) though the possibly dirty cops subplot is tiresome. CW so she's 28, though a few more years to make her a more experienced detective might work better.