Staffel 4・DI Max Arnold and DS Layla Walsh return to uncover the deadly secrets and hidden motives behind the most powerful families and elite institutions in Chelsea. But as the cases grow darker, so do the personal challenges in their own lives.

Fünf Freunde erkunden die Devil's-Mouth-Höhlen Thailands, doch in ihren Tiefen lauert etwas Tödliches auf sie.