S1.E7 ∙ The Investigation

Charlie Cunningham begs her mom, Amber, to let her switch from her small private school to a public high school, wanting to prove to her (and to herself) that she's changed since being kicked out of school last year. Growing up without any luxuries, Amber works overtime as a doctor in order to give Charlie the finer things in life. It's also her way of making up for her divorce two years ago, and she worries that Charlie blames herself for the separation. Amber is concerned Charlie will return to her old ways, falling into the wrong crowd and getting mixed up in drugs and alcohol, but she reluctantly agrees. The new school starts off well; Charlie receives good grades and praise from her teachers and joins the robotics team - until she falls in with the wrong crowd, starts abusing synthetic weed, and becomes a shell of her former self.

Luna and her pensioner lover Noah's dream life comes crashing down when Noah's estranged daughter Bonnie returns to reconcile with her father.

It's time for the final challenge of the Liar Game. Only Akiyama and Fukunaga had earned tickets to participate, but when Yokoya decides to drop out, Nao gets invited to join. Unwilling at first, but when her worry over Akiyama soon overcomes her reluctance. In the final stage, nicknamed the Garden of Eden, a new voting game is set to take place. The game is set up so that all players can win money should they cooperate, but if they don't one player will win big while the others face bigger debts than ever before. It doesn't take long for the lies and backstabbing to begin, and the question remains whether Nao and Akiyama have any hope of winning and finally shut down the Liar Game for good.

Doctor Aitamaa is spending holiday with his family at their summer villa. He accidentally reads a letter that was meant to his wife. The letter is from another man. Aitamaa fallows his wife to the city and finds out that she has a lover. Later the wife is found killed and Aitamaa becomes the prime suspect.

After losing both his parents Ralph struggles with a depression. A year later he decides to reduce his medicines with the help of his psychiatrist, although Ralph doesn't always follow his advice. On a rainy day Ralph has one of his usual appointments with the psychiatrist. As unusual as it is, this time the psychiatrist felt compelled to tell Ralph a dramatic story, inspired by a mysterious painting on the wall.