The Legends Episode 18

Jiang Wu targets Sima Rong. Sima Rong tells his companion stories from his past. Jiang Wu kidnaps Sima Rong. Zhao Yao and Li ChenLan go to save him. They get pulled into a dream world. Zhao Yao's takes her to the Land of Rest where she was pointed at and arrested for having no money. She quickly woke up. She looks for Li ChenLan. Finds him, and grabs onto him, to keep him from jumping into the pit. When she touches him, she sees his dream. It's the sword cave and he dug to find her body, cradles her while crying. She pulls out of his dream and sees his real self has tears streaming down his face. She ties him up to keep him from jumping in the pit. She finds Sima Rong, after touching him, she also sees his dream. She watches how he lost use of his legs and how his lover died, plus some other history pertaining to the trap set for her, by immortals in the sword cave. Zhao Yao snaps out of Sima Rong's dream when she senses someone else there. She protects Sima Rong from Jiang Wu. (Source: KdramasinPajamas at MyDramaList)