Y/n Stark is the daughter of Tony Stark, resulting of a one night stand. Tony is shocked but takes her in with open arms. Y/n has a unique bond with her father, helping in his workshop and showing interest in his work. When Steve Rodgers is found in the ice, y/n becomes very interested in his story and sets out to help him adjust to his new life in the modern world. The two become good friends, telling each other everything about their past and becoming almost inseparable. Everything is going great in y/n's life, until someone from her best friend's past shows up. Steve is determined to find out what happened to his life long friend, with the help of y/n and Sam Wilson, they set out to find the Winter Soldier and put an end to HYDRA. This book will contain smut, fighting and cussing. Please proceed with caution and if you are uncomfortable with any of those things I'd advise you not to read this book.