When Chloe's grandmother gets diagnosed with Alzheimer's, she's forced to become a stay-at-home teenager overnight.

Rowan's life spirals when Finn is coerced into a botched drug deal by a local gang. With Finn's life on the line and a violent gang leader encroaching on her life, Rowan is faced with recouping the money that Finn lost.

It returns six months after the shocking finale of Season 3, and the team must overcome their grief to tackle a dangerous crime wave. This time, the gloves are well and truly off for Professor T in his lectures and a new musical pursuit, romance is very much alive for his mother Adelaide Tempest (De la Tour), and the lines between professional and personal become blurred for therapist Helena Goldberg (Stevenson). Meanwhile, DI Maiya Goswami (Sunetra Sarker) takes charge of the police force with series favorite DS Dan Winters (White) fiercely at her side.

几个有未成年子女的妈妈发现网上的黄片都太暴力了，于是决定凑到一起拍一部有正确三观、不传播错误方式、符合她们审美情趣的黄片。 Unsatisfied with the violent sex available online five ordinary mums work with industry experts and set out to create their own porn film they would be happy for their teenage children to watch.