Ep 13. Say It with Flowers

David Callan, also known as "Danger Man," is an agent for the British Secret Intelligence Service. In season 3, episode 13 titled "Say It with Flowers," Callan is tasked with investigating a potential security leak at a floral shop. The shop had recently been purchased by Elsa Lang, a German national who has become a British citizen.

Callan is sent to the shop to pose as a potential customer and gather information. Elsa is suspicious of Callan's true intentions and tests him by asking him to deliver a flower arrangement to her sister's house. Upon arriving at the house, Callan realizes that the address is actually for a hotel where secret meetings are being held.

Callan returns to the floral shop and confronts Elsa about her true intentions. She reveals that she was approached by a former Nazi who offered her entry into a secret organization in exchange for her assistance. Elsa had been feeding information to the group, not realizing the consequences of her actions.

With this information, Callan puts together a plan to capture the group at their next meeting. He poses as Elsa and delivers a false message to the meeting, luring the members into a trap. The group is captured and brought to justice, and Elsa is pardoned for her involvement.

Throughout the episode, Callan struggles with his feelings towards Elsa. He is torn between his duty to his country and his desire to protect Elsa from harm. In the end, he realizes that his duty must come first and that Elsa's actions had put many lives in danger.

"Say It with Flowers" is a thrilling episode that showcases Callan's intelligence and resourcefulness in the face of danger. It also explores the complexities of relationships in the world of espionage.