Streaming Today: The Madame Blanc Mysteries - Ocean

The Madame Blanc Mysteries is new to watch on Channel 5 or stream on My5 live or on demand from tonight at 9pm.

Judith and Jeremy generously lent their boat, Rita, to a team of marine biologists for research purposes. During a dive, Gary, one of the biologists, stumbles upon a rare gold coin, which he clandestinely keeps. However, the joyous discovery takes a tragic turn when Gary suffers a cardiac arrest while still submerged.

Caron, another member of the research team, confides in Jean about the unexpected find and recruits her assistance in unraveling the mystery surrounding Gary's untimely demise. Questions arise about the true nature of the marine biologists' mission—were they genuinely searching for minerals on the seabed, or could there be an alternative explanation for Gary's death?

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In an attempt to uncover the truth, Jean urges Dom to join the investigation, suggesting he pose as a Numismatist to authenticate the coin. Despite Caron's strong advice to leave such matters to the police, the determined duo presses on. Will their pursuit of the truth lead them to answers or unforeseen consequences?

Simultaneously, Gloria faces challenges with her father Trevor's behavior, reaching a breaking point. She confronts him, demanding that he leave. Trevor relocates to the Chateau, where Judith is appalled to discover some of his unsettling habits.

As the investigation progresses, Jean unearths a crucial clue that may shed light on Gary's death. However, the ethical dilemma arises—should this newfound treasure remain concealed, or is it imperative to expose the truth, regardless of the potential consequences?