Cherry Returns

那年夏天你去了哪裡

Also known as Where Did You Go That Summer?

The story revolves around Cherry, a young girl who was kidnapped and declared missing for over a decade. She suddenly returns to her family after 12 years, and older sister Jing soon discovers that something is wrong with Cherry. It turns out Cherry has been carrying out crimes on the orders of her abductor, and Jing employs the help of friendly police officer to unravel her younger sister’s conspiracy.