As the legal proceedings come to a conclusion, Mario's relatives kick off their own investigation. Raquel's choices are called into question.
On their last day in Paris, Nick introduces Charlie to his dad. Elle and Tao make it official. The truth comes out at a party that's full of surprises.
The gang comes together for a memorable prom with a fitting theme: "Summer of Love." But with someone important missing... it feels incomplete.
The Italian media give more visibility to the case. Further experts provide their opinion on the cause of the death and on the controversial Emme Team.
Rumors spread when Charlie wakes up with something on his neck. A group tour of the city's most famous sights reveals more than one major secret.
Nick tries to come out to some of his teammates at a bonfire party after exams. Tao plans the perfect date. Things get weird between Tara and Darcy.
As Mai Ling's wedding briefly unites the Hop Wei and Long Zii, Li Yong receives a grim final warning from Kong Pak.
After an unexpected witness gives emotional testimony on the stand, Mickey and Lorna hatch a clever plan to cast doubt on the prosecution's case.
Carrie questions her past choices as she prepares to meet Aidan's sons. Meanwhile, Charlotte gets ready to go back to work full time.
With Charlie's grades slipping, his parents tighten the rules. Tao's jealous when Elle makes new friends. Nick's older brother invades his privacy.
The defense rests, and a verdict is in — but Mickey still has more to learn about Lisa. Lorna and Cisco's wedding plans hit another hiccup.
On a school trip to Paris, Nick and Charlie try to keep their relationship under wraps. Elle and Tao reconnect at a museum. Imogen stands up to Ben.
As Lisa's trial begins, a mysterious letter left on Mickey's doorstep sends Cisco racing to verify a potentially game-changing piece of information.
As his relationship with Charlie matures, Nick considers coming out to Imogen — but it's a lot harder than he expected. Elle tries flirting with Tao.
Betty enlists help from Cheryl and Toni after deciding she's going to publish her own book. Veronica, Kevin and Clay host Hollywood movie star Josie McCoy, who is in town to screen her latest film. Finally, Archie's attempt to take his poetry to the next level doesn't go as planned.
Mickey reevaluates his trial strategy after Andrea unveils a key piece of evidence and an unexpected final witness. Haley plans a birthday surprise.
Lex Luthor keeps Ivy on a short leash at a conference on the moon, while the Bat Family rents out Wayne Manor after Talia slashes company finances.
An accident with an experimental quantum probability field causes everyone on the U.S.S. Enterprise to break uncontrollably into song, but the real danger is that the field is expanding and beginning to impact other ships—allies and enemies alike.