ฮาร์ทบีท เสี่ยงนัก...รักมั้ยลุง

A downhearted 40-year-old man needs to step outside his safe zone to unlock the mystery which his late girlfriend left to him. While travelling, he meets a lively 20-year-old guesthouse attendant, there she helps him find more clues to the mystery and also to his lonely life.