In 1959, 13 people are stranded on an islet near Mallorca during a storm. At their small hotel, English tourist Elisa Mander is found dead. When suicide seems unlikely, retired actor Basil, once Sherlock Holmes on screen, investigates.

In ISIS-controlled Raqqa, Russian spy Haibala and nurse Malika race to track down the wanted ISIS leader "the Jordanian," navigating a city plagued by executions, bombings, and violence.