A Christmas Adventure - Part 1 (S05E11)

Title: A Christmas Adventure - Part 1 Plot: In the first part of a festive musical special, it's Christmas Eve, and Hetty and Gideon embark on a charitable journey to London. However, their plans take a dangerous turn when they encounter a street gang led by Hetty's most formidable and longstanding adversary. As they navigate this unexpected threat, the holiday spirit is put to the test in a thrilling adventure filled with music and suspense.