Just as they decide to separate, Linda (Anne Hathaway) and Paxton (Chiwetel Ejiofor) find life has other plans when they are stuck at home in a mandatory lockdown. Co-habitation is proving to be a challenge, but fuelled by isolation and copious amounts of wine, it will bring them closer together in the most surprising way – by hatching a plan to steal a precious diamond from luxury department store Harrods.