Netflix's new mystery series 'Missing You' from Harlan Coben now has an official trailer.The series follows Detective Kat Donovan, who finds her fiance Josh disappear without a trace.Eleven years later, she comes across his profile on a dating app, triggering her to dive back into the mystery surrounding her father's murder.The series is based on Coben's 2014 novel and premieres on January 1, 2025.