El industrial François Delambre es llamado a altas horas de la noche por su cuñada, Helene Delambre, quien le dice que acaba de matar a su marido, André. Reacia al principio, finalmente le explica a la policía que André inventó un aparato de transporte de materia y, mientras experimentaba con él mismo, una mosca entró en la cámara durante la transferencia de materia.
The series follows the adventures of Lloyd B Fly, a housefly and the middle child of 451. Lloyd lives with his parents, his little sister PB and their 224 maggot siblings inside a compost bin they call home. In the series, Lloyd and PB are usually accompanied by Lloyd’s best friend, Abacus Woodlouse, and eccentric tag-along, Cornea Butterfly. Together they explore the strange world beyond the compost bin, where there is no shortage of lessons for Lloyd to very nearly learn.
