Matt soon mistrust Mason's frantic attempt to construct an alibi, after repairing Imogen's crash-hit car's tail-light, for them and Amber. Toadie remembers he was probably drugged by Robbo, who meant to discredit Sonya, whose glass he drunk, as witness. Alas, Karl finds it's too late to detect any chemical traces, so Toadie's confession only works against him.