A distillery owner is poisoned during a group tasting of his premium rum. But the case is shrouded in mystery when it's revealed all the guests drank from the same bottle. So, how could the killer ensure only the victim would wind up dead? As Seb's unorthodox methods prove useful to the investigation, Mervin learns an important lesson in slowing down. The team must dig deep into the past, uncovering secrets that our suspects have gone to great lengths to bury, in order to get to the bottom of this case.

Mervin and the team explore the world of online dating when a local man is shot dead at his villa. He was waiting for a woman he'd met on an app when their video call was interrupted by an intruder. But Mervin's puzzled by the presence of a bullet in the victim's hand: why would the killer have put it there? The team must uncover lies, deceit and the lengths people go to for love in order to crack this case.

Meanwhile, a new colleague makes an impression for all the wrong reasons, and Mervin's like a dog with a bone as he reopens his mother's case, catching the attention of a suspicious figure...