Cable network tvN has found its leads for upcoming sci-fi thriller K-drama LUCA, which stands for Last Universal Common Ancestor which is an evolutionary theory. The drama was first offered to Ji Chang Wook who declined and is instead filming Convenience Store Morning Star. Now we have both the male and female leads confirmed and it’s Kim Rae Won paired with Lee Da Hee. Kim Rae Won plays the mysterious male lead with no memory but he holds the clues to a great evolutionary mystery while Lee Da Hee is a dogged detective looking to solve a long buried crime and gets swept up in this big conspiracy. The drama will finish casting soon and head into filming for a later in 2020 premiere.