When Shelly meets Rachel, two dysfunctional girls from radically opposed backgrounds set off on a collision course that will leave one of them shattered, the other re-born.

Follows estranged siblings Lindsay and Brad as they travel to Scotland at Christmas to reunite with their mother Jo.

Criminal activists hijack a gala, taking 300 hostages. One extremist plans mass murder as a message to the world. An Ex-soldier turned window cleaner now works to rescue the hostages.