The Revenge (1999)

Pablo Nazareno is 26-year-old and works at a science laboratory in a low-level position. After the mysterious death of Alicia, one of the employees, strange things start to happen as Pablo finds out that the place may be closed down. The arrival of Lucía Navarro, a beautiful computing expert who is brought as a replacement for Alicia, makes Pablo feel that he must discover what is going on in the lab... which might end up putting him in danger. There is only one thing that can give strength to Pablo: the love he starts to feel for Lucía.