Heart Signal is an variety show about eight strangers, 4 men and 4 women, living together for 30 days in the same house (Signal House). They were given missions to text other person in the house anonymously every night. There are panelists with various experiences in dating and love in a separate studio who will comment on the developments in the house and also detect potential lovers in the Signal House

How can a Rich and cold Chaebol,  fall in love with former inmates with a bad background...