When a serial killer poses a woman wearing a wedding dress in one of London’s most beautiful gardens without being seen, all eyes fall on newly-promoted DCI Elsie Mabey’s team of misfits as they investigate their first case together.

Nobody else wants the case and nobody wants the team she’s forced to work with. Her subordinates are the opposite of the Met’s finest; they’re the “not quite fired” of London policing.

Can this ragtag band pull together to catch a killer or will their failure be a self-fulfilling prophecy?