Y/n Barnes is the younger sister of Bucky. She was born in 1928, meaning that she’s 11 years younger than Bucky. Their parents died, so now it’s just them and their friend Steve. But then the war happens… Bucky ships out, Steve gets the serum, Bucky is “KIA”, Steve and Y/n crashes into the ocean and wakes up 70 years later. Never had they thought that Bucky was still alive. But not the Bucky they knew.