A former CIA operative's son disappears.
The team search for an escaped convict who was found guilty of killing her husband and five young girls, while Jess warns Antonio he may be in danger.
Jess and Colin investigate the disappearance of an undercover operative, while Nicole tries to make amends with her mother.
When an inventor disappears, the team is confused to discover two ransom notes - for different amounts.
When an inventor disappears, the team are confused to discover two ransom notes - for different amounts.
The team travel to Budapest in search of a man who goes missing after having plastic surgery.
The team investigate the disappearance of a student during half-term and uncover a disturbing secret.
The team investigate the disappearance of an oil magnate's son. Nicole tries to hide the effects of her accident.
Twin girls go missing and the case is complicated further when their parents are found murdered.