Hunted by government agents and constantly assaulted by a cartel of vengeful thugs, an amnesiac known only as"626" searches for her true identity while protecting a teenage girl who shares her superhuman abilities; but when 626 uncovers the horrifying truth about her past, she must infiltrate enemy headquarters to expose a corporate conspiracy that threatens the free world,before she and her companion are silenced forever.
The plot centers on a couple: Lena is a talented obstetrician and gynecologist, and her husband Sergey is an actor in a provincial theater. Their relationship is tender and close, but totally devoid of sex. Lena suspects that Sergey is having an affair, but she suffers silently without letting her jealousy show. Instead of finding out what is going on, Lena starts cheating on him with random men. Slowly but surely, Lena's acts of infidelity spin out of control, basically re-writing her real life.