Han jae hui is such an upsetting character.…

Han jae hui is such an upsetting character. How can she have all these wonderful powers but you can't use your brain to figure out the truth of your brothers murder.

Female detective ruining the show

Han Jae Hee, the female detective, is ruining the show for me. Why didnt she run after her brother's murderer? Does it make sense? They show her to have these great running speeds and ability to acale buildings but when it matters she just stands around?