Mismatched and The Unexplainable Death

A detective team works together and tries to solve the strange murders, solving them is the primary purpose of their team, but there is more than that. Confusion surrounds them, clouding their judgment, and even doubting their team's trust. All of that start when another member joins the team, someone who shouldn't be on their team.

Are they able to solve the cases that they get while not trusting each other, or are they finally working as a team?