David Shih

Holmes and Watson’s deadly conflict with Sherlock’s former friend Michael (Desmond Harrington) intensifies when their newest victim looks to be the serial killer’s latest prey, in the first part of a two-episode season finale event.

When a young girl is kidnapped and held for ransom, Danny and Jackie place her drug-addicted boyfriend at the top of their suspect list. Meanwhile, Erin and her boss, Charles Rossellini, take their flirtatious banter a step further.

When a congressman's aide is found dead after testifying in a corruption case, Shaw and Riley discover the suspect may be someone close to home. As Price solidifies his case against the defendant, Baxter proposes they go after an accomplice as well.

Elizabeth's landmark global climate treaty with more than 200 countries is jeopardized when China threatens to back out due to her meeting with an ailing Dalai Lama. Also, Henry worries about his undercover operative's safety, and Jay is surprised when Abby serves him with a custody agreement for their daughter.