Tasha Simms

Mulder and Scully search for two girls who disappeared after their fathers were murdered in an identical fashion.

When an experimental drug releases troubled spirits at a nursing home, Mulder and Scully face killer poltergeists.

When Skinner is accused of murdering a young woman, Mulder theorizes that the true killer may be a succubus -- a jealous female spirit.

As Jack, Emma, and Izzy try to put the mother of all weird days behind them, Emma reveals a secret, Izzy finds committing to safe-bet Andy tougher than she thought, and Jack can't shake the feeling that he's gotten them all in over their heads.

Margaret and Todd work to bring justice to an Olympic athlete who lost his leg in a plane crash resulting from a defective aircraft.

When Margaret's client faces an attempted murder charge, she mounts a creative defense to prove her client's innocence, and Todd takes an experimental drug to find evidence. Also, Allison finds herself in trouble and reaches out to Todd for help.