[Captain America/Avengers] Orange-Flavored Plums and Plum-Flavored Oranges

Warning: Spoilers for Avengers: Infinity War. There are only a few, and they've been changed beyond recognition, and they're probably things most people already know anyway... Basically... it's a folk tale passed down in Wakanda in the thirtieth century. The idea came from a folk tale about tea and salt from some ethnic minority. I can't remember where I read or heard it... Pairing: Steve/Bucky, either way around. Theme: