Raymond Kenyon is jailed for murdering Eva,a chambermaid with whom he worked at the Central Hotel but his wife Selina believes he was paid to take the rap and asks the team to intervene. With Beth posing as a maid Vincent gains access to the hotel but,having made his suspicions known to Seedor,the owner,he finds himself framed for murder and sent to prison. John, Beth and Gillian discover a set of photos which points to the identity of the real killer and there is a further twist before Vincent is exonerated.