Upon leaving work one day, Marc sets out to meet his girlfriend, Elena, for their usual Friday night date. On his way he bumps into a mysterious and captivating girl with long, black hair who steals his wallet; he chooses to follow her and never arrives at his destination. One month later, fed up with the fruitlessness of the police's investigation into Marc's disappearance, Elena and Marc's brother Guille decide to begin an investigation of their own. Driven by courage and their love for Marc, they find themselves in the line of fire of mysterious circumstances that they never expected. An alluring mix of characters and plenty of adventure and intrigue makes this novel accessible to young readers. "A la salida del trabajo un dia, Marc acude a su cita habitual de los viernes con Elena, su chica. Por el camino se topa con una chica misteriosa y cautivadora de melena negra; la sigue y nunca llega a su destino. Un mes mas tarde, hartos de la inutilidad de la investigacion de la policia de la desaparicion de Marc, Elena y Guille, el hermano de Marc, deciden iniciar su propia investigacion. Impelidos por la valentia y su amor por Marc, acaban en primera linea de fuego de unas circunstancias misteriosas que nunca se habian esperado. Una mezcla seductora de personajes y mucha aventura e intriga hacen de esta una novela asequible para jovenes lectores. "