What if you had the memories of 110 people stuffed into your brain? How would you know who you really are?

The passengers of flight 2164 all lose their memories, except for Brian; he not only maintains his own memories, but gains everyone's who was on the plane.

Brian begins remembering the other passenger's lives, and soon finds himself unable to separate his memories from theirs. Intense flashbacks, disjointed personalities and violent outbursts puts a strain on Brian's relationship with his fiancée Brenda.

Brenda will have to trust the neuroscientist, Marci, whose experimental technology could restore Brian's memory, and the life Brenda and Brian once had. As Brenda and Marci race against time to untangle Brian's memories from those of the other passengers, they discover secrets Brian hidden about his past.

Brenda has to decide if some memories are best forgotten and can she still love who Brian really is?