Khimik - Maier Stefani

Its code name is Chemist. She worked for the U.S. government service to such a degree of secrecy that she had no name, and kept secrets that could upset the world's balance. And then one of her employers decided that this woman knows too much...
She has nothing left: no real name, no loved ones, no life, no future. Nothing but the desire to survive at all costs - even if it will have to perform the task of the former boss for the last time.
Deciding to play by her own rules, she prepares for the most brutal battle in her life, but meets a man who makes her more vulnerable ... To avoid death, she has to use all her knowledge and remember why she was considered the best of the best in this difficult profession ...