The 4400

A high school student gains a new ability after using promicin. Tom visits Isabelle in prison, and Diana looks for her missing sibling. With help from Cassie, Kyle awakens Shawn from a coma, while Jordan Collier struggles with guilt and NTAC appoints a new director.

Tom and Diana investigate a person capable of manifesting people's worst fears. Danny turns to Shawn for assistance in locating a promicin shot, while Cassie guides Kyle to a book containing a prophecy about Jordan Collier.

Audrey Parker begins taking promicin, which allows her to astral project, while Shawn resumes public healing despite government threats. Ben and Maia return to Seattle to visit Diana.

Diana tracks down her sister April, who has taken promicin and gained a dangerous ability that threatens her well-being.

Tom follows Jordan to a quiet town and encounters a woman who helps others reduce stress through conversation. Marco and Diana share a meaningful conversation, while Maia struggles with disturbing nightmares linked to her visions.

Jordan attempts to convince Shawn to return to the cause, while a 4400 possessing extraordinary abilities goes missing.

Jordan Collier's movement gains significant momentum as his followers establish a presence in downtown Seattle.

Tom, Diana, Jordan, Shawn, Kyle, Isabelle, Maia, Meghan, Marco, PJ, and Brady awaken inside NTAC with no recollection of how they arrived.

Richard's unexpected arrival in Promise City brings a mix of joy and tension for Isabelle, but their reunion quickly turns unsettling when he takes her against her will, hoping to build a new life with their daughter.

Tom struggles to concentrate on tracking Richard Tyler due to recurring dreams of future events.

Tom and Diana investigate a dangerous computer virus threatening Ubient, a major software company led by a suspected member of the Marked. At the same time, Maia travels to Promise City, where she is surprised by an unexpected visit from her birth parents on her birthday.

Meghan and Diana discover a method to extract the entity from Tom, though the process carries significant risks.

Paramedics attempt to revive Susan Farrell, suspecting she took a dangerous drug called promicin. Danny is convinced she was not involved, but as they reach the hospital, a series of unexplained deaths begin occurring around him. Garrity and an NTAC agent are dispatched to investigate the unfolding crisis.