The Murders Of William Somerset And David Mills

William Somerset was nearing his retirement when he got partnered up with David Mills, who recently moved to his city with his wife Tracy. Mills is a short-tempered person but at the same time, idealistic in a way. When he introduced his wife, Tracy, to Somerset, they shared a bond and somehow Somerset became Tracy's confidant and told him that she is pregnant but didn't know how to tell Mills and tells him that she's unhappy and afraid to raise her child in the current city that they're in.
As Somerset and Mills became partners, the two of them started investigating different murders that they found out to be related to the seven deadly sins. Their first case involved an obese man who forced to eat until his stomach ruptured and the second was a wealthy man who died from bloodloss and removal of

One was a prostitute who was killed by her partner, who was forced to wear an S&M device and rape her. The other murder was also a female who was asked whether to call for help, or to commit suicide, she chose the latter. With this, lust and pride were seen written in the area where the death happened.
However, there was one case, where instead of finding a murder, a drug dealer and child molester, was found tied to his bed and as the police thought that he was dead, he turned out to be alive but barely living. He was strapped to his bed for a year and he was emaciated and was on the brink of death. Sloth was written on the wall.
As the two detectives return to the police station, they were approached by a man and he revealed that he was John Doe, the mastermind behind all of the murders. It turned out that he was has been removing the skin on his fingers to avoid leaving fingerprints. He then admitted that there were still two victims left and offered to take Somerset and Mills to them, Somerset was wary but Mills agreed to his