Mari Weiss

Über mom Maisy Gibbons (guest star Sharon Lawrence) returns, and her secret life intersects with Bree's. Meanwhile Gabrielle's predicament worsens, Susan plans to take her relationship with Mike to the next level, and Lynette, suspicious (and a little jealous) of her new nanny (guest star Marla Sokoloff), decides to secretly videotape her.

The Jeffersonian team investigates the death of Wesley Foster, a conspiracy blog writer who had arranged to meet up with Booth to discuss a previous case before his untimely death. Realizing that whoever killed Foster did not want him talking to Booth, the team has to try to figure out who is behind the death and how the previous case is relevant. As Booth and the Jeffersonian team dig deeper into the burgeoning conspiracy surrounding the man’s death, it’s evident Booth may be in over his head, and his future with the FBI is put in question.

Although Dre and Rainbow find they always end up quarreling on their annual Valentine's Day date, this time around, Dre is determined to do everything right and keep the peace. Meanwhile, Diane realizes she may not have received many Valentine's cards because she is too critical, so her siblings decide to teach her how to give a compliment.

When two siblings confess to the savage murder of a teenage girl, the CSIs must race to re-examine the case's evidence in order to determine which sibling is telling the truth. Soon, the team begins to suspect that a more sinister scheme may be at work.

While Scully tries to piece together the meaning of the symbols on the spaceship beached in Africa, Mulder is imprisoned by his own frenetic brain activity.