Dangerous fall

On the eve of her graduation, her best friend suddenly disappeared from the world, and has not been heard from since.Feeling suspicious, Lin You joined the criminal police, determined to find out the truth.Years later, when the best friend from the past unexpectedly appeared, the identities of the two had long since become incompatible.Intrigues and intrigues, fighting openly and secretly, but the body and mind have fallen rapidly inadvertently, who is the ultimate winner?