Ali Marsh

Hannah's one class a week leaves her with a lot of free time, a visiting Elijah becomes the social butterfly of Iowa, Ray warns Marnie about Desi's true intentions, Shoshanna has a job interview, and Adam is unwittingly drawn into Jessa's Web.

Mary has a psychologist assigned to follow her around and observe her behaviour and a witness refuses to testify without marijuana to help with his social anxiety.

US Marshall Mary Shannon must hunt down witnesses for federal cases in the witness protection program while trying to raise a rather dysfunctional family in her own personal life. WITSEC works with a witness to infiltrate a secret society and Mary returns to the office to find that things have changed.

Chicago security guard Ed Fogerty enters witness protection after uncovering an international auto theft ring. He refuses to testify unless Mary and Marshall find his missing son, Miles, but during the search, some disturbing information about Ed and Miles is revealed.

A young woman is murdered in her apartment and security video from the lobby reveals a connection to a drug cartel.

Mary is caught between a witness and an unexpected family reunion; changes take place around the WITSEC office.