Define The RelationshipDefine the Relationship; 디파인 더 릴레이션쉽

Ji Gwi, a lad who became a heated ghost after loving Queen Sun Duk one-sidedly. Eun Chong, a descendant of Ji Gwi, found that by touching the Hong Kong exchange student Hae Bum, his body temperature lowers. So seeking help -"If the type of touching changes the body temperature, shouldn't we progress this further?" Due to the very forward Hae Bum, Eun Chong's life becomes shaken.