Stanley (Dino Fetscher) and Anatole’s (Ukweli Roach) true colours put Laura (Katherine Parkinson) and her family directly in harm’s way. With Mia (Gemma Chan) speaking at the commission, Laura must do everything in her power to stop an awful attack.

Leo (Colin Morgan) and Mattie (Lucy Carless) return to the Elster house where Leo comes to understand a painful truth, but Mattie has a secret that could knock their fledging relationship off course.

Niska (Emily Berrington) continues her mysterious journey that takes her to Wales, where she must defy all her instincts to survive.

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Humans continue 21st June at 9pm on Channel 4