Mammals is a painfully funny story of family life which explores the stories and lies we chose to tell each other and our children.

Hane and Kev Hammersby don’t have secrets. They just have kids. In their chaotic family home in the London suburbs, Jane (Niamh Cusack) is a stressed mum at the end of her tether, dealing with her young children Jess and Betty (played by adult actors Jane Hazlegrove and Helena Lymbery). When Kev comes home from a business trip with something of a mind, the truth makes her feel judged, compared, or even replaced…