Ming Shu returned to the Criminal Investigation Bureau in Dongye City after completing his training, only to discover that his old neighbor and beloved big brother figure, Xiao Yu'an, was now his immediate superior. To make matters even more bewildering, they also ended up living together as roommates! As if this wasn't enough to deal with, a series of mystifying murder cases began to unfold - a jobless man losing his mind in a book cafe, a skilled Chinese orchestra performer meeting a mysterious death, and an escape room game that seemed to be harboring dark secrets. Ming Shu was determined not to let the culprits escape this time around.
