Bucky is from the 40's and was at Hydra for 70 years, he got married at Hydra as well. Steve saved Bucky and steve knows something is wrong, Bucky never told anyone he's married.

they are on a mission and Bucky sees her, so he told Steve and they managed to get her into custody. But it was harder then it looked, she's trained by Hydra and red room. So deadly assassin.

Bucky is waiting outside her cell. Shes brainwashed by Hydra, so Bucky has to try to get her to remember.