Having come to another dead end, Cassie and Sunny work on trying to prove a final theory into David Walker's death and catch the culprit.
London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
The peaks and the valleys. Find the essential episodes — and the ones to skip.
Having come to another dead end, Cassie and Sunny work on trying to prove a final theory into David Walker's death and catch the culprit.
Despite a tragic turn of events, Sunny and the team narrow down the suspects.
Following the discovery of seemingly incriminating items found at his house, Tim insists he bought them for his girls at a fete in Middenham. However, the team are not buying Tim's story. A new discovery leaves the team shocked and devastated, hitting Cassie particularly hard.
Can Sunny, Jess and the team bring the clues in the case together and unravel the secrets to solve it?
Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.
Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.
How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.
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