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.

Elle keeps big news from Tao, Ben pressures Charlie to forgive him, and Isaac opens up to James. Nick invites Charlie to a tense family dinner.

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.