Keith hasn't been seen in Clifton Park for weeks, and the team gets a tip on where he might be. Catherine meets with India, who maintains her position. Mark and Bonnie return to Clifton Park for the first time since leaving NXIVM and confront their memories of Keith and the curriculum. Sarah, Bonnie, Mark, Nippy, and Catherine face a shocking development in the case.

Prosecutor Moira Penza and defense attorney Marc Agnifilo prepare for trial after the arrests; Nicki Clyne and Michele Hatchette offer a different perspective into NXIVM; Nancy Salzman, under house arrest, sits down for an interview.

Nancy recalls her first interactions with Keith and the subsequent founding of NXIVM. Mark Vicente takes the witness stand.