While You Were Sleeping (2017)

S1E2 The Good, The Bad and the Weird

Jae Chan discovers that Hong Joo frequently experiences precognitive dreams and seeks her out after having a vision of his younger brother, Seung Won, turning into a murderer. Meanwhile, So Yoon attempts to take her father's life to safeguard her mother, prompting Seung Won to intervene and assist her in the precarious situation.