Previously, it was announced that Ji Chang Wook would be taking the lead role on a drama which went by the working title, 'Be Careful of This Woman'. On March 29, SBS announced the title of the new drama has been deemed 'Suspicious Partner', and also that actress Nam Ji Hyun will be playing the female lead. 

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Ji Chang Wook's character is a guy who's great at everything and becomes an investigator due to his father's wishes. Nam Ji Hyun will be in the role of Eun Bong Hee, a woman known for her healthy and bright characteristics. 

'Suspicious Partner' will be airing in May after the end of 'Saimdang: The Herstory'.