Marina Fontcuberta is working on the search for a drug to cure Alzheimer’s. But, when a new director with a brilliant career in the USA arrives to lead her research team, her work becomes compromised by her personal feelings. Attracted by the charisma of the director, the young Marina is soon tempted to cross the strict boundaries between their professional and personal relationships.

Amàlia Lafuente deftly opens up the closed world of scientific research: the ambitious young research students, the abuses of power, the fight to get to the top and the games of seduction that arise between the protagonists... Using all the ingredients of a thriller, Codi genètic traps the reader with a subject that is currently in the news, using believable flesh-and blood characters to tell her story.