Line of Duty 'Up the Lagan in a Bubble' Birthday Card, brought to you by Derry Nice Things. This unique card pays homage to the iconic Line of Duty series, set in the captivating city of Derry. The Lagan River, flowing through Belfast, adds a touch of charm to this design. Crafted with utmost care, this birthday card is perfect for fans of the show, featuring a bubble motif that symbolizes the thrilling twists and turns of the series. Celebrate your loved one's special day with this one-of-a-kind card that captures the essence of Line of Duty.