خلاصه داستان : داستان سریال روایتگر زندگی "ملیسا جسپرسون-مور" که در 15 سالگی متوجه می‌شود پدرش "کیت هانتر جسپرسون" همان قاتل زنجیره‌ای بدنامی است که به نام «قاتل صورتک خندان» شناخته می‌شود و ...

Inspired by a true-life story, Happy Face tells the story of Melissa Reed, daughter of Keith Jesperson, aka the Happy Face Killer. After decades of no contact, Keith forces his way back into his daughter’s life, and Melissa must find out if an innocent man is going to be put to death for a crime her father committed. In the process, she must face a reckoning of her own identity.