Leap of Faith is the first in the Temporal Detective Agency series, in which Merlin (a well disguised and good looking young woman) meets Arthur and makes him King, before admitting her true sex. Arthur is overjoyed and the two of them disappear to the Island of Avalon leaving Merlin's wizard's cave for Marlene (Merlin's sister) and Merlin's two apprentices to use as the base for their detective they discover a Time Portal in a corner of he cave, they go the the 21st century because the cases are more interesting and the toilet facilities far one of Merlin's apprentices, is dragged through the Portal to South Wales in the 18th century, where the Agency gets involved in fighting smugglers and ship wreckers. They also meet old Camelot friends and deadly