It looks like Yunjin Kim is taking Jack Shephard's advice
. The former "Lost" star is set to return to ABC in the summer of 2013 for the new series "Mistresses."
Based on the BBC One series of the same name, "Mistresses" focuses on four women and their scandalous love lives. Per TVLine, Kim is set to play a psychiatrist who was in the middle of an affair with one of her patients before he died
. "Gossip Girl" writer KJ Steinberg will adapt ...