Yoh's friends are stunned by the revelation about Hao. Later, a mysterious masked man appears before Team Ren with an offer to make them stronger.
Céline and Daphne discover that one of the families affected by the tragedy is staying at the hotel. The collapse claimed the life of little Felix and caused an amputation of his sister Joanie, now a young adult. The Prévost clan is reeling.
At Chateau Frontenac, a body cemented in a bath launches Céline on a new investigation.
More and more suspects appear for Philippin's murder. The first suspicions fall on Prévost, who was found in a coma after attempting suicide; the attraction between Alex and Joanie is inevitable.
Céline and Daphne discover that Esther was an engineer specialising in large structures. With a committee of experts, Esther was in charge of evaluating the options for the construction of a third link between Quebec City and its southern shore.
The room in which a discovery of a person named Philippin was found was rented by a woman named Esther Smith.
Nathan knows Sylvie and the Prévost family well; Daphne discovers that to avoid being removed from the case, Céline has withheld information from her linking William to Esther Smith.
Céline, supported by Alex, discovers that Philippin was developing a high-performance concrete. Enough to crush the competition: solid, durable, and 10 times less polluting than the others on the market. A discovery that would be worth billions.
Céline assaults William and Jacques removes her from the investigation; Daphne continues the work; Chamfort, with financial support from QMG, was providing Philippin with the means to carry out research in the lab.
The details surrounding the autopsy of Esther's body reveals that she was thrown overboard from the ferry.
In Shelbyville KY a body is found in the river. Some people in town question if the suspect is capable of committing the crime.
It's Tadano's first day of high school and all he wants to do is blend into the background. He starts to get to know Komi, a quiet girl in his class.
Sadie asks Lay Lay to keep a low profile... until Lay Lay joins the auto club and sparks competition. Marky and Jeremy team up for a brilliant invention.
A magical mid-summer railway journey through central Sweden starts in Mora on the Inlandsbanan. This traditional town is in the county of Dalarna, the heart of Swedish traditional culture and often known as 'Sweden in miniature'.
Jenn creates a landscape that can withstand heavy pedestrian traffic; Richard explains the options available for water heaters; Tom and Kevin build a cutting board out of walnut, cherry, and maple.
Jo Brand joins Joe as he goes on a mission to make Britain's beaches more eco-friendly by banning cheap polystyrene bodyboards. Comedian Joanne McNally investigates diet fads and the team also explore online shopping fraud loopholes.
While at the mall, Tatsu catches a live Policure show. Later, he goes on a date with Miku to an amusement park, then takes a trip to the beach.
Torajiro hits up Tatsu for some street-level information on the latest craze: bubble tea. Tatsu takes Masa on a confusing trip to the 100-yen shop.