Lexy Campbell fights to prove the innocence of a client she's been providing marriage guidance to after she is accused of murdering her husband.It's the Fourth of July in California and Lexy Campbell is headed home to Scotland. But first she must deliver her final dose of marriage guidance to the elderly Bombarros. They don't turn up for the session, but the cops do. Turns out Mr Bombarro is in the morgue and Mrs Bombarro is in the jail, arrested for murder.Certain of the old lady's innocence, Lexy decides to stay and clear her name. But after her own recent whirlwind divorce, she's got no money and no place to stay. So she checks into the Last Ditch Motel. As the plucky little band of motel guests start to take over Lexy's life, and the shady Bombarro relations come to town, one thing is for sure . . . the fireworks have only just begun.