The Invisible Guest (Man tian guo hai)

synopsis

Young and beautiful entrepreneur Joanna is accused of being the culprit in a locked-room murder case, where the victim is her lover Minghao, during a time when her life and career are flourishing. In order to clear her name, she slowly gathers clues with the police officer Zheng Wei. As they investigate the case together, they discover another murder case that Joanna and Minghao had committed together. The truth gradually comes to light.