Stuck in a small town without many prospects, Flynne Fisher is a brilliant gamer who works a dead end job to support her veteran brother and ailing mother. When her brother enlists her help playing an advanced video game known as a SIM , Flynne sees something she shouldn't, bringing real life danger to the family's doorstep.

Mercenaries raid the family home. Seeking answers, Flynne returns to the headset and learns it is not a game, but a time machine that goes 70 years into the future. Flynne makes a deal with Wilf and Lev and agrees to help find Aelita.