Death on Christmas Day (The Adventures of the Elderly Sherlock Holmes, Episode 2)

Christmas Eve at Baker Street. Sherlock Holmes is enjoying Christmas dinner with Alice and Eddy when young Lord Greenwhich suddenly appears and asks Holmes for help. His father is on his deathbed. The attending physician suspects deliberate poisoning. But who wants the old Lord's life? Was it really a poisoning attempt, and can Sherlock Holmes manage to save Lord Greenwhich's life? Ultimately, Holmes himself becomes the perpetrator's target and must fear for his life. And then only one person can save him...