In the season premiere, Holmes and Watson join the NYPD manhunt for a serial bomber who is active again after going dormant for six years. During the investigation, Watson seeks help from a former criminal, Shinwell Johnson, whose life she saved when she was a surgeon.
When a serial bomber becomes active again after being dormant for six years, Watson seeks help from Shinwell Johnson (Nelsan Ellis), a former patient whose life she saved when she was a surgeon. Also, Holmes senses Watson is unhappy and questions whether she is still fulfilled by her detective career.
