Natalie Floyd

Tired of being harassed by "A," the girls decide to put a stop to the anonymous emails and text messages by blocking all unknown users. But just because the mysterious ghost isn't looming over their heads, the girls' problems are far from over. With a surprise visit by a father, a surprise gift from a prospective paramour, getting some unwanted advice and an unwanted scholarly accolade — the girls' lives continue to get more complicated by the day. Do the four girls really think they can keep "A" away forever?

FBI Director Fickler asks the team to find the estranged daughter of a federal judge.

The investigation of a lab tech's murder reveals strange similarities to a cold case from the 1950s; the team catches a glimpse of what goes on in the lab.