Kid U Not

In their twilight years, Chris Kheng, Yang Yutong, and Yap Manle are transformed into 12-year-olds after drinking tea in a mysterious teahouse. As their flaws remain, they become elderly again. Concealing their identities, they endure prejudice and trials while completing missions to stay alive. As conspiracies and obstacles mount, will they return to childhood or be trapped in old age forever?