Belgian detective Hercule Poirot and his most famous case - the murder on the most famous train in the world and victim that was poisoned before being stabbed several times.
In 1999 Chinese police found the parts of dismembered body of a coal worker in different coal depots. After short investigation detective Zhang finds a suspect, but after he is killed in a shoot-out the case is dropped. Five years later another victim is found in similar circumstances.
Influential San Juan lawyer pops down to local police station for routine chat with the detectives that look through his witness report, but suddenly becomes their prime suspect in murder case.
Private detective Jake Gites takes seemingly simple job - a wealthy woman wants him to follow her husband. Things get ugly when the husband ends up dead and the woman turns out not to be his wife.