Marta and Hector have been married for a long time. Through the good and bad; through raising a son. So long that Marta finds it difficult to remember her life before Hector. She's always done her best to be a good wife ? as advised by the dog-eared manual Hector's mother gave her on their wedding day. But now something is changing. Flashes of movement in the corner of her eye, moments she can't recall. Visions of a blonde girl that only she can see .