Stefan Gabriel is an active father always looking at life positively. While he tries to give back to society, his daughters Jessica (12) and Sabrina (15) struggle with their own problems. Jessica is often mistaken for a boy and has to deal with her many ticks. She would happily swap places with Sabrina, who, despite her illness, appears to have her life completely under control. But the more Sabrina’s health worsens, the worse Jessica’s ticks become. The girls need a plan and fast. They come across a special ritual in an old book, which could be their rescue. But the girls first have to find a boy to sleep with Sabrina. They don’t have much time left and Jessica puts all she has got into implementing the life-saving plan, no matter how crazy it may be.
El Dr. Martin Harris (Liam Neeson) tiene un accidente de coche en Berlín. Al despertar descubre que, de repente, su mujer (January Jones) no le reconoce y que otro hombre (Aidan Quinn) ha adquirido su identidad. Las autoridades le ignoran porque no le creen y unos asesinos le persiguen. Martin se encuentra solo y cansado y se ve obligado a huir. Sin nadie a quien acudir, en un país desconocido, Martin le pide ayuda a una reticente desconocida (Diana Kruger) al sumergirse en un terrible misterio que le hará dudar de su cordura y de su identidad. ¿Hasta dónde estará dispuesto a llegar para descubrir la verdad?.