An episode with your usual intrigue and Frost hard at work solving the mystery. Mysteries, in this case, as there are two.
More than intriguing, this epsiode is very engaging, and possibly the most engaging of all Frost episodes, due to two characters, both of whom are characters unique to this episode.
The plight of the woman who needed an insulin shot but was stuck in captivity and then out on the street was incredibly riveting and heart-breaking. One could feel her helplessness and despair as she realised the clock was ticking.
The other character was the clown. A bit shady but very amusing and interesting it was sad to see his effect on the one woman and how the more he tried to make things right, the worse things became. Was so hoping he wasn't the fatality, but, alas...