Is there a mathematical formula for love? Heart Signal is a suspenseful romance reality show following the lives of ten housemates, all of them meeting each other for the first time, living together in “signal house” for one month. Ten housemates consist of five males and five females. Then, there are these people in the studio, known as the “predictors,” secretly peeping at these ten housemates via camera lenses. The predictors, all coming from various backgrounds, will try to guess the housemates’ secret crushes by analyzing their interaction, nonverbal communication, etc.(Source: Welcon.kocca.kr/en)