 In 2019, Yoon starred in the 2-episode romance drama "Go Go Song".In July 2007, conflicts with Yoon's Management Eight Peaks surfaced; eventually Yoon filed a Certification Of Contents (COC) to cancel her contractual agreement with the company.The contents of the first COC stated that in January 2007 Yoon was confirmed to star in the MBC drama "Que Sera Sera" and had even completed the script reading and rehearsal for the upcoming shoot.