A woman asks Akechi to conduct an infidelity investigation on her husband; he comes home with the smell of different food every day. Ichigo, the owner of Akechi's go-to food truck, unwillingly gets involved in the investigation.
A young couple is found murdered at a hotel. Akechi wrongly assumes that the room service meal they ordered had been poisoned but police find an apple in the contents of their stomach which wasn't part of their hotel meal.
Kiritani, a friend of Akechi, is absent from a reunion party which makes Akechi question his whereabouts. Receiving an email from Kiritani, Akechi becomes concerned and tries to contact Kiritani's wife.
Akechi realizes in fear that what Koko gave Tabata was a deadly poisonous mushroom and rushes to the hospital. Not being able to find Tabata, Maria appears instead and tells Akechi that her next target is Ichigo.