Metanoia - The journey of changing one's mind, heart, self, or way of life.
In the midst of drinking, drugs, sex, partying, and getting picked up by the law. Bucky finds himself sitting in the middle of a support group that he didn't sign up for. His arrogant and cocky attitude is one that would be enough to push away the smartest of people, until he meets his match.
Juniper Harrison, the quiet, meek girl who joined the support group willingly. Her soft and loving demeanor is one that Bucky isn't accustomed to, and refuses to accept.
Until he finds out their pasts, are nearly one and the same and they are more alike than he ever could've imagined.
Bucky and a girl he never met before have to go undercover as married on a mission to Europe. He feels alienated in the modern world, while she goes through life alone and abandoned. Maybe they can find a new home in each other, but she's not easily convinced.
Soft!Bucky turning to Grey and then Dark as the story progresses from pining, jealousy, unrequited love, to forced (real) marriage and noncon.