If you end up doing something or end up in a particular state, you do that thing or get into that state even though you did not originally intend to. If you don't know what you want, you might end up getting something you don't want Every time they went dancing they ended up in a bad mood She could have ended up a millionairess. = finish up
If someone or something ends up somewhere, they eventually arrive there, usually by accident. She fled with her children, moving from neighbour to neighbour and ending up in a friend's cellar. = finish up, wind up
finally be or do something; "He ended up marrying his high school sweetheart"; "he wound up being unemployed and living at home again"