Mycroft and Sherlock: The Empty Birdcage: Mycroft Holmes

Now a force to be reckoned with in the War Office, the young Mycroft Holmes is growing his network of contacts and influence, although not always in a manner that pleases his closest friend, Cyrus Douglas. A Trinidadian of African descent, Douglas has opened a home for orphaned children, while still running his successful import business.

When a ship carrying a cargo in which Douglas was heavily invested runs aground on the Dorset coast, Mycroft convinces his brother Sherlock to offer his services at the orphanage while Douglas travels to see what can be salvaged. Sherlock finds himself surprisingly at home among the street urchins, but is alarmed to discover that two boys show signs of drug addiction. Meanwhile Douglas also finds evidence of opium use on two dead sailors, and it becomes clear to Mycroft that the vile trade is on the ascent once again.

Travelling to China on the trail of the drug business, Mycroft and Douglas discover that there are many in high places willing to make a profit from the misery of others. Their opponents are powerful, and the cost of stemming the deadly tide of opium is likely to be high...